18987907963

素因数分解:

${\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{17609}}^1$

素因数の和:17779

約数の個数: 24

約数和(自身を含む): 20933359200

約数和(自身を除く): 1945451237

約数列:

[1, 19, 29, 103, 361, 551, 1957, 2987, 10469, 17609, 37183, 56753, 334571, 510661, 1078307, 1813727, 6356849, 9702559, 34460813, 52598083, 184348621, 654755447, 999363577, 18987907963]

約数ペア:

[(1, 18987907963), (19, 999363577), (29, 654755447), (103, 184348621), (361, 52598083), (551, 34460813), (1957, 9702559), (2987, 6356849), (10469, 1813727), (17609, 1078307), (37183, 510661), (56753, 334571)]