19842840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1006

約数の個数: 128

約数和(自身を含む): 69696000

約数和(自身を除く): 49853160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 967, 1026, 1080, 1140, 1368, 1710, 1934, 2052, 2280, 2565, 2901, 3420, 3868, 4104, 4835, 5130, 5802, 6840, 7736, 8703, 9670, 10260, 11604, 14505, 17406, 18373, 19340, 20520, 23208, 26109, 29010, 34812, 36746, 38680, 43515, 52218, 55119, 58020, 69624, 73492, 87030, 91865, 104436, 110238, 116040, 130545, 146984, 165357, 174060, 183730, 208872, 220476, 261090, 275595, 330714, 348120, 367460, 440952, 496071, 522180, 551190, 661428, 734920, 826785, 992142, 1044360, 1102380, 1322856, 1653570, 1984284, 2204760, 2480355, 3307140, 3968568, 4960710, 6614280, 9921420, 19842840]

約数ペア:

[(1, 19842840), (2, 9921420), (3, 6614280), (4, 4960710), (5, 3968568), (6, 3307140), (8, 2480355), (9, 2204760), (10, 1984284), (12, 1653570), (15, 1322856), (18, 1102380), (19, 1044360), (20, 992142), (24, 826785), (27, 734920), (30, 661428), (36, 551190), (38, 522180), (40, 496071), (45, 440952), (54, 367460), (57, 348120), (60, 330714), (72, 275595), (76, 261090), (90, 220476), (95, 208872), (108, 183730), (114, 174060), (120, 165357), (135, 146984), (152, 130545), (171, 116040), (180, 110238), (190, 104436), (216, 91865), (228, 87030), (270, 73492), (285, 69624), (342, 58020), (360, 55119), (380, 52218), (456, 43515), (513, 38680), (540, 36746), (570, 34812), (684, 29010), (760, 26109), (855, 23208), (967, 20520), (1026, 19340), (1080, 18373), (1140, 17406), (1368, 14505), (1710, 11604), (1934, 10260), (2052, 9670), (2280, 8703), (2565, 7736), (2901, 6840), (3420, 5802), (3868, 5130), (4104, 4835)]