19676072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23869528

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 359, 403, 442, 527, 718, 806, 884, 1054, 1436, 1612, 1768, 2108, 2872, 3224, 4216, 4667, 6103, 6851, 9334, 11129, 12206, 13702, 18668, 22258, 24412, 27404, 37336, 44516, 48824, 54808, 79339, 89032, 144677, 158678, 189193, 289354, 317356, 378386, 578708, 634712, 756772, 1157416, 1513544, 2459509, 4919018, 9838036, 19676072]

約数ペア:

[(1, 19676072), (2, 9838036), (4, 4919018), (8, 2459509), (13, 1513544), (17, 1157416), (26, 756772), (31, 634712), (34, 578708), (52, 378386), (62, 317356), (68, 289354), (104, 189193), (124, 158678), (136, 144677), (221, 89032), (248, 79339), (359, 54808), (403, 48824), (442, 44516), (527, 37336), (718, 27404), (806, 24412), (884, 22258), (1054, 18668), (1436, 13702), (1612, 12206), (1768, 11129), (2108, 9334), (2872, 6851), (3224, 6103), (4216, 4667)]