19862810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3407}}^1$

素因数の和:3478

約数の個数: 32

約数和(自身を含む): 39750912

約数和(自身を除く): 19888102

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3407, 5830, 6814, 17035, 34070, 37477, 74954, 180571, 187385, 361142, 374770, 902855, 1805710, 1986281, 3972562, 9931405, 19862810]

約数ペア:

[(1, 19862810), (2, 9931405), (5, 3972562), (10, 1986281), (11, 1805710), (22, 902855), (53, 374770), (55, 361142), (106, 187385), (110, 180571), (265, 74954), (530, 37477), (583, 34070), (1166, 17035), (2915, 6814), (3407, 5830)]