15503620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3709}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 37396800

約数和(自身を除く): 21893180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 3709, 4180, 7418, 14836, 18545, 37090, 40799, 70471, 74180, 81598, 140942, 163196, 203995, 281884, 352355, 407990, 704710, 775181, 815980, 1409420, 1550362, 3100724, 3875905, 7751810, 15503620]

約数ペア:

[(1, 15503620), (2, 7751810), (4, 3875905), (5, 3100724), (10, 1550362), (11, 1409420), (19, 815980), (20, 775181), (22, 704710), (38, 407990), (44, 352355), (55, 281884), (76, 203995), (95, 163196), (110, 140942), (190, 81598), (209, 74180), (220, 70471), (380, 40799), (418, 37090), (836, 18545), (1045, 14836), (2090, 7418), (3709, 4180)]