19863854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 33657120

約数和(自身を除く): 13793266

約数列:

[1, 2, 17, 19, 34, 38, 97, 194, 317, 323, 634, 646, 1649, 1843, 3298, 3686, 5389, 6023, 10778, 12046, 30749, 31331, 61498, 62662, 102391, 204782, 522733, 584231, 1045466, 1168462, 9931927, 19863854]

約数ペア:

[(1, 19863854), (2, 9931927), (17, 1168462), (19, 1045466), (34, 584231), (38, 522733), (97, 204782), (194, 102391), (317, 62662), (323, 61498), (634, 31331), (646, 30749), (1649, 12046), (1843, 10778), (3298, 6023), (3686, 5389)]