31812118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 54915840

約数和(自身を除く): 23103722

約数列:

[1, 2, 13, 19, 26, 38, 71, 142, 247, 494, 907, 923, 1349, 1814, 1846, 2698, 11791, 17233, 17537, 23582, 34466, 35074, 64397, 128794, 224029, 448058, 837161, 1223543, 1674322, 2447086, 15906059, 31812118]

約数ペア:

[(1, 31812118), (2, 15906059), (13, 2447086), (19, 1674322), (26, 1223543), (38, 837161), (71, 448058), (142, 224029), (247, 128794), (494, 64397), (907, 35074), (923, 34466), (1349, 23582), (1814, 17537), (1846, 17233), (2698, 11791)]