18758988

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3319}}^1$

素因数の和:3486

約数の個数: 36

約数和(自身を含む): 47734960

約数和(自身を除く): 28975972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3319, 5652, 6638, 9957, 13276, 19914, 29871, 39828, 59742, 119484, 521083, 1042166, 1563249, 2084332, 3126498, 4689747, 6252996, 9379494, 18758988]

約数ペア:

[(1, 18758988), (2, 9379494), (3, 6252996), (4, 4689747), (6, 3126498), (9, 2084332), (12, 1563249), (18, 1042166), (36, 521083), (157, 119484), (314, 59742), (471, 39828), (628, 29871), (942, 19914), (1413, 13276), (1884, 9957), (2826, 6638), (3319, 5652)]