19542707260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1\times {\mathrm{27487}}^1$

素因数の和:29386

約数の個数: 48

約数和(自身を含む): 43224330240

約数和(自身を除く): 23681622980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1871, 3742, 7484, 9355, 18710, 27487, 35549, 37420, 54974, 71098, 109948, 137435, 142196, 177745, 274870, 355490, 522253, 549740, 710980, 1044506, 2089012, 2611265, 5222530, 10445060, 51428177, 102856354, 205712708, 257140885, 514281770, 977135363, 1028563540, 1954270726, 3908541452, 4885676815, 9771353630, 19542707260]

約数ペア:

[(1, 19542707260), (2, 9771353630), (4, 4885676815), (5, 3908541452), (10, 1954270726), (19, 1028563540), (20, 977135363), (38, 514281770), (76, 257140885), (95, 205712708), (190, 102856354), (380, 51428177), (1871, 10445060), (3742, 5222530), (7484, 2611265), (9355, 2089012), (18710, 1044506), (27487, 710980), (35549, 549740), (37420, 522253), (54974, 355490), (71098, 274870), (109948, 177745), (137435, 142196)]