19913630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 43296768

約数和(自身を除く): 23383138

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 391, 463, 506, 782, 926, 935, 1265, 1870, 1955, 2315, 2530, 3910, 4301, 4630, 5093, 7871, 8602, 10186, 10649, 15742, 21298, 21505, 25465, 39355, 43010, 50930, 53245, 78710, 86581, 106490, 117139, 173162, 181033, 234278, 362066, 432905, 585695, 865810, 905165, 1171390, 1810330, 1991363, 3982726, 9956815, 19913630]

約数ペア:

[(1, 19913630), (2, 9956815), (5, 3982726), (10, 1991363), (11, 1810330), (17, 1171390), (22, 905165), (23, 865810), (34, 585695), (46, 432905), (55, 362066), (85, 234278), (110, 181033), (115, 173162), (170, 117139), (187, 106490), (230, 86581), (253, 78710), (374, 53245), (391, 50930), (463, 43010), (506, 39355), (782, 25465), (926, 21505), (935, 21298), (1265, 15742), (1870, 10649), (1955, 10186), (2315, 8602), (2530, 7871), (3910, 5093), (4301, 4630)]