18498040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2512

約数の個数: 64

約数和(自身を含む): 48094560

約数和(自身を除く): 29596520

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2473, 3740, 4946, 7480, 9892, 12365, 19784, 24730, 27203, 42041, 49460, 54406, 84082, 98920, 108812, 136015, 168164, 210205, 217624, 272030, 336328, 420410, 462451, 544060, 840820, 924902, 1088120, 1681640, 1849804, 2312255, 3699608, 4624510, 9249020, 18498040]

約数ペア:

[(1, 18498040), (2, 9249020), (4, 4624510), (5, 3699608), (8, 2312255), (10, 1849804), (11, 1681640), (17, 1088120), (20, 924902), (22, 840820), (34, 544060), (40, 462451), (44, 420410), (55, 336328), (68, 272030), (85, 217624), (88, 210205), (110, 168164), (136, 136015), (170, 108812), (187, 98920), (220, 84082), (340, 54406), (374, 49460), (440, 42041), (680, 27203), (748, 24730), (935, 19784), (1496, 12365), (1870, 9892), (2473, 7480), (3740, 4946)]