1788976730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{218969}}^1$

素因数の和:219038

約数の個数: 32

約数和(自身を含む): 3468484800

約数和(自身を除く): 1679508070

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 218969, 437938, 1094845, 2189690, 4160411, 8320822, 9415667, 18831334, 20802055, 41604110, 47078335, 94156670, 178897673, 357795346, 894488365, 1788976730]

約数ペア:

[(1, 1788976730), (2, 894488365), (5, 357795346), (10, 178897673), (19, 94156670), (38, 47078335), (43, 41604110), (86, 20802055), (95, 18831334), (190, 9415667), (215, 8320822), (430, 4160411), (817, 2189690), (1634, 1094845), (4085, 437938), (8170, 218969)]