19531740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{887}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 54899712

約数和(自身を除く): 35367972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 734, 887, 1101, 1468, 1774, 1835, 2202, 2661, 3548, 3670, 4404, 4435, 5322, 5505, 7340, 8870, 10644, 11010, 13305, 17740, 22020, 26610, 53220, 325529, 651058, 976587, 1302116, 1627645, 1953174, 3255290, 3906348, 4882935, 6510580, 9765870, 19531740]

約数ペア:

[(1, 19531740), (2, 9765870), (3, 6510580), (4, 4882935), (5, 3906348), (6, 3255290), (10, 1953174), (12, 1627645), (15, 1302116), (20, 976587), (30, 651058), (60, 325529), (367, 53220), (734, 26610), (887, 22020), (1101, 17740), (1468, 13305), (1774, 11010), (1835, 10644), (2202, 8870), (2661, 7340), (3548, 5505), (3670, 5322), (4404, 4435)]