18686008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{61}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 39517560

約数和(自身を除く): 20831552

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 61, 88, 118, 122, 236, 244, 472, 488, 649, 671, 1298, 1342, 2596, 2684, 3481, 3599, 5192, 5368, 6962, 7198, 13924, 14396, 27848, 28792, 38291, 39589, 76582, 79178, 153164, 158356, 212341, 306328, 316712, 424682, 849364, 1698728, 2335751, 4671502, 9343004, 18686008]

約数ペア:

[(1, 18686008), (2, 9343004), (4, 4671502), (8, 2335751), (11, 1698728), (22, 849364), (44, 424682), (59, 316712), (61, 306328), (88, 212341), (118, 158356), (122, 153164), (236, 79178), (244, 76582), (472, 39589), (488, 38291), (649, 28792), (671, 27848), (1298, 14396), (1342, 13924), (2596, 7198), (2684, 6962), (3481, 5368), (3599, 5192)]