18145460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 40896576

約数和(自身を除く): 22751116

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 643, 830, 1286, 1411, 1660, 2572, 2822, 3215, 5644, 6430, 7055, 10931, 12860, 14110, 21862, 28220, 43724, 53369, 54655, 106738, 109310, 213476, 218620, 266845, 533690, 907273, 1067380, 1814546, 3629092, 4536365, 9072730, 18145460]

約数ペア:

[(1, 18145460), (2, 9072730), (4, 4536365), (5, 3629092), (10, 1814546), (17, 1067380), (20, 907273), (34, 533690), (68, 266845), (83, 218620), (85, 213476), (166, 109310), (170, 106738), (332, 54655), (340, 53369), (415, 43724), (643, 28220), (830, 21862), (1286, 14110), (1411, 12860), (1660, 10931), (2572, 7055), (2822, 6430), (3215, 5644)]