19730672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3271}}^1$

素因数の和:3321

約数の個数: 40

約数和(自身を含む): 42601440

約数和(自身を除く): 22870768

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3271, 6032, 6542, 13084, 26168, 42523, 52336, 85046, 94859, 170092, 189718, 340184, 379436, 680368, 758872, 1233167, 1517744, 2466334, 4932668, 9865336, 19730672]

約数ペア:

[(1, 19730672), (2, 9865336), (4, 4932668), (8, 2466334), (13, 1517744), (16, 1233167), (26, 758872), (29, 680368), (52, 379436), (58, 340184), (104, 189718), (116, 170092), (208, 94859), (232, 85046), (377, 52336), (464, 42523), (754, 26168), (1508, 13084), (3016, 6542), (3271, 6032)]