19533780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 69713280

約数和(自身を除く): 50179500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 419, 420, 444, 518, 555, 630, 666, 740, 777, 838, 1036, 1110, 1257, 1260, 1295, 1332, 1554, 1665, 1676, 2095, 2220, 2331, 2514, 2590, 2933, 3108, 3330, 3771, 3885, 4190, 4662, 5028, 5180, 5866, 6285, 6660, 7542, 7770, 8380, 8799, 9324, 11655, 11732, 12570, 14665, 15084, 15503, 15540, 17598, 18855, 23310, 25140, 26397, 29330, 31006, 35196, 37710, 43995, 46509, 46620, 52794, 58660, 62012, 75420, 77515, 87990, 93018, 105588, 108521, 131985, 139527, 155030, 175980, 186036, 217042, 232545, 263970, 279054, 310060, 325563, 434084, 465090, 527940, 542605, 558108, 651126, 697635, 930180, 976689, 1085210, 1302252, 1395270, 1627815, 1953378, 2170420, 2790540, 3255630, 3906756, 4883445, 6511260, 9766890, 19533780]

約数ペア:

[(1, 19533780), (2, 9766890), (3, 6511260), (4, 4883445), (5, 3906756), (6, 3255630), (7, 2790540), (9, 2170420), (10, 1953378), (12, 1627815), (14, 1395270), (15, 1302252), (18, 1085210), (20, 976689), (21, 930180), (28, 697635), (30, 651126), (35, 558108), (36, 542605), (37, 527940), (42, 465090), (45, 434084), (60, 325563), (63, 310060), (70, 279054), (74, 263970), (84, 232545), (90, 217042), (105, 186036), (111, 175980), (126, 155030), (140, 139527), (148, 131985), (180, 108521), (185, 105588), (210, 93018), (222, 87990), (252, 77515), (259, 75420), (315, 62012), (333, 58660), (370, 52794), (419, 46620), (420, 46509), (444, 43995), (518, 37710), (555, 35196), (630, 31006), (666, 29330), (740, 26397), (777, 25140), (838, 23310), (1036, 18855), (1110, 17598), (1257, 15540), (1260, 15503), (1295, 15084), (1332, 14665), (1554, 12570), (1665, 11732), (1676, 11655), (2095, 9324), (2220, 8799), (2331, 8380), (2514, 7770), (2590, 7542), (2933, 6660), (3108, 6285), (3330, 5866), (3771, 5180), (3885, 5028), (4190, 4662)]