20182188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2441}}^1$

素因数の和:2514

約数の個数: 48

約数和(自身を含む): 51692256

約数和(自身を除く): 31510068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2441, 2756, 4134, 4882, 7323, 8268, 9764, 14646, 29292, 31733, 63466, 95199, 126932, 129373, 190398, 258746, 380796, 388119, 517492, 776238, 1552476, 1681849, 3363698, 5045547, 6727396, 10091094, 20182188]

約数ペア:

[(1, 20182188), (2, 10091094), (3, 6727396), (4, 5045547), (6, 3363698), (12, 1681849), (13, 1552476), (26, 776238), (39, 517492), (52, 388119), (53, 380796), (78, 258746), (106, 190398), (156, 129373), (159, 126932), (212, 95199), (318, 63466), (636, 31733), (689, 29292), (1378, 14646), (2067, 9764), (2441, 8268), (2756, 7323), (4134, 4882)]