19426887

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 29059056

約数和(自身を除く): 9632169

約数列:

[1, 3, 9, 37, 111, 227, 257, 333, 681, 771, 2043, 2313, 8399, 9509, 25197, 28527, 58339, 75591, 85581, 175017, 525051, 2158543, 6475629, 19426887]

約数ペア:

[(1, 19426887), (3, 6475629), (9, 2158543), (37, 525051), (111, 175017), (227, 85581), (257, 75591), (333, 58339), (681, 28527), (771, 25197), (2043, 9509), (2313, 8399)]