18781664

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 40687920

約数和(自身を除く): 21906256

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 229, 233, 352, 458, 466, 916, 932, 1832, 1864, 2519, 2563, 3664, 3728, 5038, 5126, 7328, 7456, 10076, 10252, 20152, 20504, 40304, 41008, 53357, 80608, 82016, 106714, 213428, 426856, 586927, 853712, 1173854, 1707424, 2347708, 4695416, 9390832, 18781664]

約数ペア:

[(1, 18781664), (2, 9390832), (4, 4695416), (8, 2347708), (11, 1707424), (16, 1173854), (22, 853712), (32, 586927), (44, 426856), (88, 213428), (176, 106714), (229, 82016), (233, 80608), (352, 53357), (458, 41008), (466, 40304), (916, 20504), (932, 20152), (1832, 10252), (1864, 10076), (2519, 7456), (2563, 7328), (3664, 5126), (3728, 5038)]