18888943575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2447}}^1\times {\mathrm{5417}}^1$

素因数の和:7896

約数の個数: 48

約数和(自身を含む): 32892894720

約数和(自身を除く): 14003951145

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 2447, 5417, 7341, 12235, 16251, 27085, 36705, 46493, 61175, 81255, 102923, 135425, 139479, 183525, 232465, 308769, 406275, 514615, 697395, 1162325, 1543845, 2573075, 3486975, 7719225, 13255399, 39766197, 66276995, 198830985, 251852581, 331384975, 755557743, 994154925, 1259262905, 3777788715, 6296314525, 18888943575]

約数ペア:

[(1, 18888943575), (3, 6296314525), (5, 3777788715), (15, 1259262905), (19, 994154925), (25, 755557743), (57, 331384975), (75, 251852581), (95, 198830985), (285, 66276995), (475, 39766197), (1425, 13255399), (2447, 7719225), (5417, 3486975), (7341, 2573075), (12235, 1543845), (16251, 1162325), (27085, 697395), (36705, 514615), (46493, 406275), (61175, 308769), (81255, 232465), (102923, 183525), (135425, 139479)]