18462340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4177}}^1$

素因数の和:4216

約数の個数: 48

約数和(自身を含む): 44219952

約数和(自身を除く): 25757612

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4177, 4420, 8354, 16708, 20885, 41770, 54301, 71009, 83540, 108602, 142018, 217204, 271505, 284036, 355045, 543010, 710090, 923117, 1086020, 1420180, 1846234, 3692468, 4615585, 9231170, 18462340]

約数ペア:

[(1, 18462340), (2, 9231170), (4, 4615585), (5, 3692468), (10, 1846234), (13, 1420180), (17, 1086020), (20, 923117), (26, 710090), (34, 543010), (52, 355045), (65, 284036), (68, 271505), (85, 217204), (130, 142018), (170, 108602), (221, 83540), (260, 71009), (340, 54301), (442, 41770), (884, 20885), (1105, 16708), (2210, 8354), (4177, 4420)]