18702268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{787}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 35368592

約数和(自身を除く): 16666324

約数列:

[1, 2, 4, 13, 26, 52, 457, 787, 914, 1574, 1828, 3148, 5941, 10231, 11882, 20462, 23764, 40924, 359659, 719318, 1438636, 4675567, 9351134, 18702268]

約数ペア:

[(1, 18702268), (2, 9351134), (4, 4675567), (13, 1438636), (26, 719318), (52, 359659), (457, 40924), (787, 23764), (914, 20462), (1574, 11882), (1828, 10231), (3148, 5941)]