19631640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23371}}^1$

素因数の和:23392

約数の個数: 64

約数和(自身を含む): 67311360

約数和(自身を除く): 47679720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23371, 46742, 70113, 93484, 116855, 140226, 163597, 186968, 233710, 280452, 327194, 350565, 467420, 490791, 560904, 654388, 701130, 817985, 934840, 981582, 1308776, 1402260, 1635970, 1963164, 2453955, 2804520, 3271940, 3926328, 4907910, 6543880, 9815820, 19631640]

約数ペア:

[(1, 19631640), (2, 9815820), (3, 6543880), (4, 4907910), (5, 3926328), (6, 3271940), (7, 2804520), (8, 2453955), (10, 1963164), (12, 1635970), (14, 1402260), (15, 1308776), (20, 981582), (21, 934840), (24, 817985), (28, 701130), (30, 654388), (35, 560904), (40, 490791), (42, 467420), (56, 350565), (60, 327194), (70, 280452), (84, 233710), (105, 186968), (120, 163597), (140, 140226), (168, 116855), (210, 93484), (280, 70113), (420, 46742), (840, 23371)]