19316165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 27236736

約数和(自身を除く): 7920571

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 283, 365, 803, 935, 1241, 1415, 3113, 4015, 4811, 6205, 13651, 15565, 20659, 24055, 52921, 68255, 103295, 227249, 264605, 351203, 1136245, 1756015, 3863233, 19316165]

約数ペア:

[(1, 19316165), (5, 3863233), (11, 1756015), (17, 1136245), (55, 351203), (73, 264605), (85, 227249), (187, 103295), (283, 68255), (365, 52921), (803, 24055), (935, 20659), (1241, 15565), (1415, 13651), (3113, 6205), (4015, 4811)]