18428974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3089}}^1$

素因数の和:3267

約数の個数: 16

約数和(自身を含む): 29293200

約数和(自身を除く): 10864226

約数列:

[1, 2, 19, 38, 157, 314, 2983, 3089, 5966, 6178, 58691, 117382, 484973, 969946, 9214487, 18428974]

約数ペア:

[(1, 18428974), (2, 9214487), (19, 969946), (38, 484973), (157, 117382), (314, 58691), (2983, 6178), (3089, 5966)]