18010564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 39711168

約数和(自身を除く): 21700604

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 37, 44, 46, 52, 74, 92, 143, 148, 253, 286, 299, 407, 481, 506, 572, 598, 814, 851, 962, 1012, 1196, 1369, 1628, 1702, 1924, 2738, 3289, 3404, 5291, 5476, 6578, 9361, 10582, 11063, 13156, 15059, 17797, 18722, 21164, 22126, 30118, 31487, 35594, 37444, 44252, 60236, 62974, 71188, 121693, 125948, 195767, 243386, 346357, 391534, 409331, 486772, 692714, 783068, 818662, 1385428, 1637324, 4502641, 9005282, 18010564]

約数ペア:

[(1, 18010564), (2, 9005282), (4, 4502641), (11, 1637324), (13, 1385428), (22, 818662), (23, 783068), (26, 692714), (37, 486772), (44, 409331), (46, 391534), (52, 346357), (74, 243386), (92, 195767), (143, 125948), (148, 121693), (253, 71188), (286, 62974), (299, 60236), (407, 44252), (481, 37444), (506, 35594), (572, 31487), (598, 30118), (814, 22126), (851, 21164), (962, 18722), (1012, 17797), (1196, 15059), (1369, 13156), (1628, 11063), (1702, 10582), (1924, 9361), (2738, 6578), (3289, 5476), (3404, 5291)]