19511940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46457}}^1$

素因数の和:46476

約数の個数: 48

約数和(自身を含む): 62439552

約数和(自身を除く): 42927612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46457, 92914, 139371, 185828, 232285, 278742, 325199, 464570, 557484, 650398, 696855, 929140, 975597, 1300796, 1393710, 1625995, 1951194, 2787420, 3251990, 3902388, 4877985, 6503980, 9755970, 19511940]

約数ペア:

[(1, 19511940), (2, 9755970), (3, 6503980), (4, 4877985), (5, 3902388), (6, 3251990), (7, 2787420), (10, 1951194), (12, 1625995), (14, 1393710), (15, 1300796), (20, 975597), (21, 929140), (28, 696855), (30, 650398), (35, 557484), (42, 464570), (60, 325199), (70, 278742), (84, 232285), (105, 185828), (140, 139371), (210, 92914), (420, 46457)]