18747902

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1291}}^1$

素因数の和:1483

約数の個数: 16

約数和(自身を含む): 28883952

約数和(自身を除く): 10136050

約数列:

[1, 2, 53, 106, 137, 274, 1291, 2582, 7261, 14522, 68423, 136846, 176867, 353734, 9373951, 18747902]

約数ペア:

[(1, 18747902), (2, 9373951), (53, 353734), (106, 176867), (137, 136846), (274, 68423), (1291, 14522), (2582, 7261)]