18266378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 12602614

約数列:

[1, 2, 13, 26, 31, 62, 131, 173, 262, 346, 403, 806, 1703, 2249, 3406, 4061, 4498, 5363, 8122, 10726, 22663, 45326, 52793, 69719, 105586, 139438, 294619, 589238, 702553, 1405106, 9133189, 18266378]

約数ペア:

[(1, 18266378), (2, 9133189), (13, 1405106), (26, 702553), (31, 589238), (62, 294619), (131, 139438), (173, 105586), (262, 69719), (346, 52793), (403, 45326), (806, 22663), (1703, 10726), (2249, 8122), (3406, 5363), (4061, 4498)]