18650476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 37945600

約数和(自身を除く): 19295124

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 439, 494, 559, 817, 878, 988, 1118, 1634, 1756, 2236, 3268, 5707, 8341, 10621, 11414, 16682, 18877, 21242, 22828, 33364, 37754, 42484, 75508, 108433, 216866, 245401, 358663, 433732, 490802, 717326, 981604, 1434652, 4662619, 9325238, 18650476]

約数ペア:

[(1, 18650476), (2, 9325238), (4, 4662619), (13, 1434652), (19, 981604), (26, 717326), (38, 490802), (43, 433732), (52, 358663), (76, 245401), (86, 216866), (172, 108433), (247, 75508), (439, 42484), (494, 37754), (559, 33364), (817, 22828), (878, 21242), (988, 18877), (1118, 16682), (1634, 11414), (1756, 10621), (2236, 8341), (3268, 5707)]