18978545104

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{10433}}^1$

素因数の和:10588

約数の個数: 80

約数和(自身を含む): 39124995840

約数和(自身を除く): 20146450736

約数列:

[1, 2, 4, 8, 16, 41, 47, 59, 82, 94, 118, 164, 188, 236, 328, 376, 472, 656, 752, 944, 1927, 2419, 2773, 3854, 4838, 5546, 7708, 9676, 10433, 11092, 15416, 19352, 20866, 22184, 30832, 38704, 41732, 44368, 83464, 113693, 166928, 227386, 427753, 454772, 490351, 615547, 855506, 909544, 980702, 1231094, 1711012, 1819088, 1961404, 2462188, 3422024, 3922808, 4924376, 6844048, 7845616, 9848752, 20104391, 25237427, 28930709, 40208782, 50474854, 57861418, 80417564, 100949708, 115722836, 160835128, 201899416, 231445672, 321670256, 403798832, 462891344, 1186159069, 2372318138, 4744636276, 9489272552, 18978545104]

約数ペア:

[(1, 18978545104), (2, 9489272552), (4, 4744636276), (8, 2372318138), (16, 1186159069), (41, 462891344), (47, 403798832), (59, 321670256), (82, 231445672), (94, 201899416), (118, 160835128), (164, 115722836), (188, 100949708), (236, 80417564), (328, 57861418), (376, 50474854), (472, 40208782), (656, 28930709), (752, 25237427), (944, 20104391), (1927, 9848752), (2419, 7845616), (2773, 6844048), (3854, 4924376), (4838, 3922808), (5546, 3422024), (7708, 2462188), (9676, 1961404), (10433, 1819088), (11092, 1711012), (15416, 1231094), (19352, 980702), (20866, 909544), (22184, 855506), (30832, 615547), (38704, 490351), (41732, 454772), (44368, 427753), (83464, 227386), (113693, 166928)]