18777668

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 41018880

約数和(自身を除く): 22241212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 653, 1027, 1106, 1306, 2054, 2212, 2612, 4108, 4571, 7189, 8489, 9142, 14378, 16978, 18284, 28756, 33956, 51587, 59423, 103174, 118846, 206348, 237692, 361109, 670631, 722218, 1341262, 1444436, 2682524, 4694417, 9388834, 18777668]

約数ペア:

[(1, 18777668), (2, 9388834), (4, 4694417), (7, 2682524), (13, 1444436), (14, 1341262), (26, 722218), (28, 670631), (52, 361109), (79, 237692), (91, 206348), (158, 118846), (182, 103174), (316, 59423), (364, 51587), (553, 33956), (653, 28756), (1027, 18284), (1106, 16978), (1306, 14378), (2054, 9142), (2212, 8489), (2612, 7189), (4108, 4571)]