72403984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{238171}}^1$

素因数の和:238198

約数の個数: 20

約数和(自身を含む): 147666640

約数和(自身を除く): 75262656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 238171, 476342, 952684, 1905368, 3810736, 4525249, 9050498, 18100996, 36201992, 72403984]

約数ペア:

[(1, 72403984), (2, 36201992), (4, 18100996), (8, 9050498), (16, 4525249), (19, 3810736), (38, 1905368), (76, 952684), (152, 476342), (304, 238171)]