13311020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 30723840

約数和(自身を除く): 17412820

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1523, 1748, 2185, 3046, 4370, 6092, 7615, 8740, 15230, 28937, 30460, 35029, 57874, 70058, 115748, 140116, 144685, 175145, 289370, 350290, 578740, 665551, 700580, 1331102, 2662204, 3327755, 6655510, 13311020]

約数ペア:

[(1, 13311020), (2, 6655510), (4, 3327755), (5, 2662204), (10, 1331102), (19, 700580), (20, 665551), (23, 578740), (38, 350290), (46, 289370), (76, 175145), (92, 144685), (95, 140116), (115, 115748), (190, 70058), (230, 57874), (380, 35029), (437, 30460), (460, 28937), (874, 15230), (1523, 8740), (1748, 7615), (2185, 6092), (3046, 4370)]