19018210

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4889}}^1$

素因数の和:5285

約数の個数: 16

約数和(自身を含む): 34327800

約数和(自身を除く): 15309590

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 4889, 9778, 24445, 48890, 1901821, 3803642, 9509105, 19018210]

約数ペア:

[(1, 19018210), (2, 9509105), (5, 3803642), (10, 1901821), (389, 48890), (778, 24445), (1945, 9778), (3890, 4889)]