19757870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3389}}^1$

素因数の和:3460

約数の個数: 32

約数和(自身を含む): 39540960

約数和(自身を除く): 19783090

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3389, 5830, 6778, 16945, 33890, 37279, 74558, 179617, 186395, 359234, 372790, 898085, 1796170, 1975787, 3951574, 9878935, 19757870]

約数ペア:

[(1, 19757870), (2, 9878935), (5, 3951574), (10, 1975787), (11, 1796170), (22, 898085), (53, 372790), (55, 359234), (106, 186395), (110, 179617), (265, 74558), (530, 37279), (583, 33890), (1166, 16945), (2915, 6778), (3389, 5830)]