19005840

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{419}}^1$

素因数の和:451

約数の個数: 200

約数和(自身を含む): 75620160

約数和(自身を除く): 56614320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 419, 420, 432, 504, 540, 560, 567, 630, 648, 720, 756, 810, 838, 840, 945, 1008, 1080, 1134, 1257, 1260, 1296, 1512, 1620, 1676, 1680, 1890, 2095, 2160, 2268, 2514, 2520, 2835, 2933, 3024, 3240, 3352, 3771, 3780, 4190, 4536, 5028, 5040, 5670, 5866, 6285, 6480, 6704, 7542, 7560, 8380, 8799, 9072, 10056, 11313, 11340, 11732, 12570, 14665, 15084, 15120, 16760, 17598, 18855, 20112, 22626, 22680, 23464, 25140, 26397, 29330, 30168, 33520, 33939, 35196, 37710, 43995, 45252, 45360, 46928, 50280, 52794, 56565, 58660, 60336, 67878, 70392, 75420, 79191, 87990, 90504, 100560, 105588, 113130, 117320, 131985, 135756, 140784, 150840, 158382, 169695, 175980, 181008, 211176, 226260, 234640, 237573, 263970, 271512, 301680, 316764, 339390, 351960, 395955, 422352, 452520, 475146, 527940, 543024, 633528, 678780, 703920, 791910, 905040, 950292, 1055880, 1187865, 1267056, 1357560, 1583820, 1900584, 2111760, 2375730, 2715120, 3167640, 3801168, 4751460, 6335280, 9502920, 19005840]

約数ペア:

[(1, 19005840), (2, 9502920), (3, 6335280), (4, 4751460), (5, 3801168), (6, 3167640), (7, 2715120), (8, 2375730), (9, 2111760), (10, 1900584), (12, 1583820), (14, 1357560), (15, 1267056), (16, 1187865), (18, 1055880), (20, 950292), (21, 905040), (24, 791910), (27, 703920), (28, 678780), (30, 633528), (35, 543024), (36, 527940), (40, 475146), (42, 452520), (45, 422352), (48, 395955), (54, 351960), (56, 339390), (60, 316764), (63, 301680), (70, 271512), (72, 263970), (80, 237573), (81, 234640), (84, 226260), (90, 211176), (105, 181008), (108, 175980), (112, 169695), (120, 158382), (126, 150840), (135, 140784), (140, 135756), (144, 131985), (162, 117320), (168, 113130), (180, 105588), (189, 100560), (210, 90504), (216, 87990), (240, 79191), (252, 75420), (270, 70392), (280, 67878), (315, 60336), (324, 58660), (336, 56565), (360, 52794), (378, 50280), (405, 46928), (419, 45360), (420, 45252), (432, 43995), (504, 37710), (540, 35196), (560, 33939), (567, 33520), (630, 30168), (648, 29330), (720, 26397), (756, 25140), (810, 23464), (838, 22680), (840, 22626), (945, 20112), (1008, 18855), (1080, 17598), (1134, 16760), (1257, 15120), (1260, 15084), (1296, 14665), (1512, 12570), (1620, 11732), (1676, 11340), (1680, 11313), (1890, 10056), (2095, 9072), (2160, 8799), (2268, 8380), (2514, 7560), (2520, 7542), (2835, 6704), (2933, 6480), (3024, 6285), (3240, 5866), (3352, 5670), (3771, 5040), (3780, 5028), (4190, 4536)]