9915890

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3659}}^1$

素因数の和:3937

約数の個数: 16

約数和(自身を含む): 17919360

約数和(自身を除く): 8003470

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 3659, 7318, 18295, 36590, 991589, 1983178, 4957945, 9915890]

約数ペア:

[(1, 9915890), (2, 4957945), (5, 1983178), (10, 991589), (271, 36590), (542, 18295), (1355, 7318), (2710, 3659)]