19288450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{97}}^2$

素因数の和:247

約数の個数: 36

約数和(自身を含む): 37134342

約数和(自身を除く): 17845892

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 97, 194, 205, 410, 485, 970, 1025, 2050, 2425, 3977, 4850, 7954, 9409, 18818, 19885, 39770, 47045, 94090, 99425, 198850, 235225, 385769, 470450, 771538, 1928845, 3857690, 9644225, 19288450]

約数ペア:

[(1, 19288450), (2, 9644225), (5, 3857690), (10, 1928845), (25, 771538), (41, 470450), (50, 385769), (82, 235225), (97, 198850), (194, 99425), (205, 94090), (410, 47045), (485, 39770), (970, 19885), (1025, 18818), (2050, 9409), (2425, 7954), (3977, 4850)]