19443650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 38643360

約数和(自身を除く): 19199710

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 97, 190, 194, 211, 422, 475, 485, 950, 970, 1055, 1843, 2110, 2425, 3686, 4009, 4850, 5275, 8018, 9215, 10550, 18430, 20045, 20467, 40090, 40934, 46075, 92150, 100225, 102335, 200450, 204670, 388873, 511675, 777746, 1023350, 1944365, 3888730, 9721825, 19443650]

約数ペア:

[(1, 19443650), (2, 9721825), (5, 3888730), (10, 1944365), (19, 1023350), (25, 777746), (38, 511675), (50, 388873), (95, 204670), (97, 200450), (190, 102335), (194, 100225), (211, 92150), (422, 46075), (475, 40934), (485, 40090), (950, 20467), (970, 20045), (1055, 18430), (1843, 10550), (2110, 9215), (2425, 8018), (3686, 5275), (4009, 4850)]