1801690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1489}}^1$

素因数の和:1518

約数の個数: 24

約数和(自身を含む): 3567060

約数和(自身を除く): 1765370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1489, 2978, 7445, 14890, 16379, 32758, 81895, 163790, 180169, 360338, 900845, 1801690]

約数ペア:

[(1, 1801690), (2, 900845), (5, 360338), (10, 180169), (11, 163790), (22, 81895), (55, 32758), (110, 16379), (121, 14890), (242, 7445), (605, 2978), (1210, 1489)]