19606340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1033}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 44991408

約数和(自身を除く): 25385068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1033, 1460, 1898, 2066, 3796, 4132, 4745, 5165, 9490, 10330, 13429, 18980, 20660, 26858, 53716, 67145, 75409, 134290, 150818, 268580, 301636, 377045, 754090, 980317, 1508180, 1960634, 3921268, 4901585, 9803170, 19606340]

約数ペア:

[(1, 19606340), (2, 9803170), (4, 4901585), (5, 3921268), (10, 1960634), (13, 1508180), (20, 980317), (26, 754090), (52, 377045), (65, 301636), (73, 268580), (130, 150818), (146, 134290), (260, 75409), (292, 67145), (365, 53716), (730, 26858), (949, 20660), (1033, 18980), (1460, 13429), (1898, 10330), (2066, 9490), (3796, 5165), (4132, 4745)]