18612438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 42373296

約数和(自身を除く): 23760858

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 361, 494, 661, 722, 741, 1083, 1322, 1482, 1983, 2166, 3966, 4693, 8593, 9386, 12559, 14079, 17186, 25118, 25779, 28158, 37677, 51558, 75354, 163267, 238621, 326534, 477242, 489801, 715863, 979602, 1431726, 3102073, 6204146, 9306219, 18612438]

約数ペア:

[(1, 18612438), (2, 9306219), (3, 6204146), (6, 3102073), (13, 1431726), (19, 979602), (26, 715863), (38, 489801), (39, 477242), (57, 326534), (78, 238621), (114, 163267), (247, 75354), (361, 51558), (494, 37677), (661, 28158), (722, 25779), (741, 25118), (1083, 17186), (1322, 14079), (1482, 12559), (1983, 9386), (2166, 8593), (3966, 4693)]