19555990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32059}}^1$

素因数の和:32127

約数の個数: 16

約数和(自身を含む): 35778960

約数和(自身を除く): 16222970

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 32059, 64118, 160295, 320590, 1955599, 3911198, 9777995, 19555990]

約数ペア:

[(1, 19555990), (2, 9777995), (5, 3911198), (10, 1955599), (61, 320590), (122, 160295), (305, 64118), (610, 32059)]