19561672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{787}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 39715200

約数和(自身を除く): 20153528

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 787, 956, 1574, 1912, 3107, 3148, 6214, 6296, 10231, 12428, 20462, 24856, 40924, 81848, 188093, 376186, 752372, 1504744, 2445209, 4890418, 9780836, 19561672]

約数ペア:

[(1, 19561672), (2, 9780836), (4, 4890418), (8, 2445209), (13, 1504744), (26, 752372), (52, 376186), (104, 188093), (239, 81848), (478, 40924), (787, 24856), (956, 20462), (1574, 12428), (1912, 10231), (3107, 6296), (3148, 6214)]