17914988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 40219200

約数和(自身を除く): 22304212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 89, 91, 98, 158, 178, 182, 196, 316, 356, 364, 553, 623, 637, 1027, 1106, 1157, 1246, 1274, 2054, 2212, 2314, 2492, 2548, 3871, 4108, 4361, 4628, 7031, 7189, 7742, 8099, 8722, 14062, 14378, 15484, 16198, 17444, 28124, 28756, 32396, 49217, 50323, 56693, 91403, 98434, 100646, 113386, 182806, 196868, 201292, 226772, 344519, 365612, 639821, 689038, 1279642, 1378076, 2559284, 4478747, 8957494, 17914988]

約数ペア:

[(1, 17914988), (2, 8957494), (4, 4478747), (7, 2559284), (13, 1378076), (14, 1279642), (26, 689038), (28, 639821), (49, 365612), (52, 344519), (79, 226772), (89, 201292), (91, 196868), (98, 182806), (158, 113386), (178, 100646), (182, 98434), (196, 91403), (316, 56693), (356, 50323), (364, 49217), (553, 32396), (623, 28756), (637, 28124), (1027, 17444), (1106, 16198), (1157, 15484), (1246, 14378), (1274, 14062), (2054, 8722), (2212, 8099), (2314, 7742), (2492, 7189), (2548, 7031), (3871, 4628), (4108, 4361)]