19601824

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22855136

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 233, 239, 352, 466, 478, 932, 956, 1864, 1912, 2563, 2629, 3728, 3824, 5126, 5258, 7456, 7648, 10252, 10516, 20504, 21032, 41008, 42064, 55687, 82016, 84128, 111374, 222748, 445496, 612557, 890992, 1225114, 1781984, 2450228, 4900456, 9800912, 19601824]

約数ペア:

[(1, 19601824), (2, 9800912), (4, 4900456), (8, 2450228), (11, 1781984), (16, 1225114), (22, 890992), (32, 612557), (44, 445496), (88, 222748), (176, 111374), (233, 84128), (239, 82016), (352, 55687), (466, 42064), (478, 41008), (932, 21032), (956, 20504), (1864, 10516), (1912, 10252), (2563, 7648), (2629, 7456), (3728, 5258), (3824, 5126)]