18926040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22531}}^1$

素因数の和:22552

約数の個数: 64

約数和(自身を含む): 64892160

約数和(自身を除く): 45966120

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, 22531, 45062, 67593, 90124, 112655, 135186, 157717, 180248, 225310, 270372, 315434, 337965, 450620, 473151, 540744, 630868, 675930, 788585, 901240, 946302, 1261736, 1351860, 1577170, 1892604, 2365755, 2703720, 3154340, 3785208, 4731510, 6308680, 9463020, 18926040]

約数ペア:

[(1, 18926040), (2, 9463020), (3, 6308680), (4, 4731510), (5, 3785208), (6, 3154340), (7, 2703720), (8, 2365755), (10, 1892604), (12, 1577170), (14, 1351860), (15, 1261736), (20, 946302), (21, 901240), (24, 788585), (28, 675930), (30, 630868), (35, 540744), (40, 473151), (42, 450620), (56, 337965), (60, 315434), (70, 270372), (84, 225310), (105, 180248), (120, 157717), (140, 135186), (168, 112655), (210, 90124), (280, 67593), (420, 45062), (840, 22531)]