18871170025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{21841}}^1$

素因数の和:21994

約数の個数: 48

約数和(自身を含む): 26325725760

約数和(自身を除く): 7454555735

約数列:

[1, 5, 17, 19, 25, 85, 95, 107, 323, 425, 475, 535, 1615, 1819, 2033, 2675, 8075, 9095, 10165, 21841, 34561, 45475, 50825, 109205, 172805, 371297, 414979, 546025, 864025, 1856485, 2074895, 2336987, 7054643, 9282425, 10374475, 11684935, 35273215, 39728779, 44402753, 58424675, 176366075, 198643895, 222013765, 754846801, 993219475, 1110068825, 3774234005, 18871170025]

約数ペア:

[(1, 18871170025), (5, 3774234005), (17, 1110068825), (19, 993219475), (25, 754846801), (85, 222013765), (95, 198643895), (107, 176366075), (323, 58424675), (425, 44402753), (475, 39728779), (535, 35273215), (1615, 11684935), (1819, 10374475), (2033, 9282425), (2675, 7054643), (8075, 2336987), (9095, 2074895), (10165, 1856485), (21841, 864025), (34561, 546025), (45475, 414979), (50825, 371297), (109205, 172805)]