19530974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2609}}^1$

素因数の和:2827

約数の個数: 16

約数和(自身を含む): 31006800

約数和(自身を除く): 11475826

約数列:

[1, 2, 19, 38, 197, 394, 2609, 3743, 5218, 7486, 49571, 99142, 513973, 1027946, 9765487, 19530974]

約数ペア:

[(1, 19530974), (2, 9765487), (19, 1027946), (38, 513973), (197, 99142), (394, 49571), (2609, 7486), (3743, 5218)]