18315110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 20005018

約数列:

[1, 2, 5, 10, 11, 22, 31, 41, 55, 62, 82, 110, 131, 155, 205, 262, 310, 341, 410, 451, 655, 682, 902, 1271, 1310, 1441, 1705, 2255, 2542, 2882, 3410, 4061, 4510, 5371, 6355, 7205, 8122, 10742, 12710, 13981, 14410, 20305, 26855, 27962, 40610, 44671, 53710, 59081, 69905, 89342, 118162, 139810, 166501, 223355, 295405, 333002, 446710, 590810, 832505, 1665010, 1831511, 3663022, 9157555, 18315110]

約数ペア:

[(1, 18315110), (2, 9157555), (5, 3663022), (10, 1831511), (11, 1665010), (22, 832505), (31, 590810), (41, 446710), (55, 333002), (62, 295405), (82, 223355), (110, 166501), (131, 139810), (155, 118162), (205, 89342), (262, 69905), (310, 59081), (341, 53710), (410, 44671), (451, 40610), (655, 27962), (682, 26855), (902, 20305), (1271, 14410), (1310, 13981), (1441, 12710), (1705, 10742), (2255, 8122), (2542, 7205), (2882, 6355), (3410, 5371), (4061, 4510)]