18656639835

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{72859}}^1$

素因数の和:73307

約数の個数: 32

約数和(自身を含む): 30622183680

約数和(自身を除く): 11965543845

約数列:

[1, 3, 5, 15, 43, 129, 215, 397, 645, 1191, 1985, 5955, 17071, 51213, 72859, 85355, 218577, 256065, 364295, 1092885, 3132937, 9398811, 15664685, 28925023, 46994055, 86775069, 144625115, 433875345, 1243775989, 3731327967, 6218879945, 18656639835]

約数ペア:

[(1, 18656639835), (3, 6218879945), (5, 3731327967), (15, 1243775989), (43, 433875345), (129, 144625115), (215, 86775069), (397, 46994055), (645, 28925023), (1191, 15664685), (1985, 9398811), (5955, 3132937), (17071, 1092885), (51213, 364295), (72859, 256065), (85355, 218577)]