18720162

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 43366752

約数和(自身を除く): 24646590

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 131, 153, 262, 306, 393, 467, 786, 934, 1179, 1401, 2227, 2358, 2802, 4203, 4454, 6681, 7939, 8406, 13362, 15878, 20043, 23817, 40086, 47634, 61177, 71451, 122354, 142902, 183531, 367062, 550593, 1040009, 1101186, 2080018, 3120027, 6240054, 9360081, 18720162]

約数ペア:

[(1, 18720162), (2, 9360081), (3, 6240054), (6, 3120027), (9, 2080018), (17, 1101186), (18, 1040009), (34, 550593), (51, 367062), (102, 183531), (131, 142902), (153, 122354), (262, 71451), (306, 61177), (393, 47634), (467, 40086), (786, 23817), (934, 20043), (1179, 15878), (1401, 13362), (2227, 8406), (2358, 7939), (2802, 6681), (4203, 4454)]