1639231682

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{3989}}^1\times {\mathrm{18679}}^1$

素因数の和:22681

約数の個数: 16

約数和(自身を含む): 2683195200

約数和(自身を除く): 1043963518

約数列:

[1, 2, 11, 22, 3989, 7978, 18679, 37358, 43879, 87758, 205469, 410938, 74510531, 149021062, 819615841, 1639231682]

約数ペア:

[(1, 1639231682), (2, 819615841), (11, 149021062), (22, 74510531), (3989, 410938), (7978, 205469), (18679, 87758), (37358, 43879)]