18741440464

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{426407}}^1$

素因数の和:426523

約数の個数: 40

約数和(自身を含む): 37752458688

約数和(自身を除く): 19011018224

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 164, 268, 328, 536, 656, 1072, 2747, 5494, 10988, 21976, 43952, 426407, 852814, 1705628, 3411256, 6822512, 17482687, 28569269, 34965374, 57138538, 69930748, 114277076, 139861496, 228554152, 279722992, 457108304, 1171340029, 2342680058, 4685360116, 9370720232, 18741440464]

約数ペア:

[(1, 18741440464), (2, 9370720232), (4, 4685360116), (8, 2342680058), (16, 1171340029), (41, 457108304), (67, 279722992), (82, 228554152), (134, 139861496), (164, 114277076), (268, 69930748), (328, 57138538), (536, 34965374), (656, 28569269), (1072, 17482687), (2747, 6822512), (5494, 3411256), (10988, 1705628), (21976, 852814), (43952, 426407)]