19519060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 47656224

約数和(自身を除く): 28137164

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 307, 340, 374, 578, 614, 748, 935, 1156, 1228, 1445, 1535, 1870, 2890, 3070, 3179, 3377, 3740, 5219, 5780, 6140, 6358, 6754, 10438, 12716, 13508, 15895, 16885, 20876, 26095, 31790, 33770, 52190, 57409, 63580, 67540, 88723, 104380, 114818, 177446, 229636, 287045, 354892, 443615, 574090, 887230, 975953, 1148180, 1774460, 1951906, 3903812, 4879765, 9759530, 19519060]

約数ペア:

[(1, 19519060), (2, 9759530), (4, 4879765), (5, 3903812), (10, 1951906), (11, 1774460), (17, 1148180), (20, 975953), (22, 887230), (34, 574090), (44, 443615), (55, 354892), (68, 287045), (85, 229636), (110, 177446), (170, 114818), (187, 104380), (220, 88723), (289, 67540), (307, 63580), (340, 57409), (374, 52190), (578, 33770), (614, 31790), (748, 26095), (935, 20876), (1156, 16885), (1228, 15895), (1445, 13508), (1535, 12716), (1870, 10438), (2890, 6754), (3070, 6358), (3179, 6140), (3377, 5780), (3740, 5219)]