19405590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8861}}^1$

素因数の和:8944

約数の個数: 32

約数和(自身を含む): 47216736

約数和(自身を除く): 27811146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 8861, 17722, 26583, 44305, 53166, 88610, 132915, 265830, 646853, 1293706, 1940559, 3234265, 3881118, 6468530, 9702795, 19405590]

約数ペア:

[(1, 19405590), (2, 9702795), (3, 6468530), (5, 3881118), (6, 3234265), (10, 1940559), (15, 1293706), (30, 646853), (73, 265830), (146, 132915), (219, 88610), (365, 53166), (438, 44305), (730, 26583), (1095, 17722), (2190, 8861)]