19977836

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 35696640

約数和(自身を除く): 15718804

約数列:

[1, 2, 4, 79, 158, 191, 316, 331, 382, 662, 764, 1324, 15089, 26149, 30178, 52298, 60356, 63221, 104596, 126442, 252884, 4994459, 9988918, 19977836]

約数ペア:

[(1, 19977836), (2, 9988918), (4, 4994459), (79, 252884), (158, 126442), (191, 104596), (316, 63221), (331, 60356), (382, 52298), (662, 30178), (764, 26149), (1324, 15089)]