39909994

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 24

約数和(自身を含む): 63751968

約数和(自身を除く): 23841974

約数列:

[1, 2, 19, 38, 167, 331, 334, 361, 662, 722, 3173, 6289, 6346, 12578, 55277, 60287, 110554, 119491, 120574, 238982, 1050263, 2100526, 19954997, 39909994]

約数ペア:

[(1, 39909994), (2, 19954997), (19, 2100526), (38, 1050263), (167, 238982), (331, 120574), (334, 119491), (361, 110554), (662, 60287), (722, 55277), (3173, 12578), (6289, 6346)]