19813920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{5897}}^1$

素因数の和:5922

約数の個数: 96

約数和(自身を含む): 71342208

約数和(自身を除く): 51528288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 5897, 11794, 17691, 23588, 29485, 35382, 41279, 47176, 58970, 70764, 82558, 88455, 94352, 117940, 123837, 141528, 165116, 176910, 188704, 206395, 235880, 247674, 283056, 330232, 353820, 412790, 471760, 495348, 566112, 619185, 660464, 707640, 825580, 943520, 990696, 1238370, 1320928, 1415280, 1651160, 1981392, 2476740, 2830560, 3302320, 3962784, 4953480, 6604640, 9906960, 19813920]

約数ペア:

[(1, 19813920), (2, 9906960), (3, 6604640), (4, 4953480), (5, 3962784), (6, 3302320), (7, 2830560), (8, 2476740), (10, 1981392), (12, 1651160), (14, 1415280), (15, 1320928), (16, 1238370), (20, 990696), (21, 943520), (24, 825580), (28, 707640), (30, 660464), (32, 619185), (35, 566112), (40, 495348), (42, 471760), (48, 412790), (56, 353820), (60, 330232), (70, 283056), (80, 247674), (84, 235880), (96, 206395), (105, 188704), (112, 176910), (120, 165116), (140, 141528), (160, 123837), (168, 117940), (210, 94352), (224, 88455), (240, 82558), (280, 70764), (336, 58970), (420, 47176), (480, 41279), (560, 35382), (672, 29485), (840, 23588), (1120, 17691), (1680, 11794), (3360, 5897)]