18980491770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2970343}}^1$

素因数の和:2970427

約数の個数: 48

約数和(自身を含む): 50044355712

約数和(自身を除く): 31063863942

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 2970343, 5940686, 8911029, 14851715, 17822058, 26733087, 29703430, 44555145, 53466174, 89110290, 133665435, 210894353, 267330870, 421788706, 632683059, 1054471765, 1265366118, 1898049177, 2108943530, 3163415295, 3796098354, 6326830590, 9490245885, 18980491770]

約数ペア:

[(1, 18980491770), (2, 9490245885), (3, 6326830590), (5, 3796098354), (6, 3163415295), (9, 2108943530), (10, 1898049177), (15, 1265366118), (18, 1054471765), (30, 632683059), (45, 421788706), (71, 267330870), (90, 210894353), (142, 133665435), (213, 89110290), (355, 53466174), (426, 44555145), (639, 29703430), (710, 26733087), (1065, 17822058), (1278, 14851715), (2130, 8911029), (3195, 5940686), (6390, 2970343)]