19850150

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 39559968

約数和(自身を除く): 19709818

約数列:

[1, 2, 5, 10, 23, 25, 41, 46, 50, 82, 115, 205, 230, 410, 421, 575, 842, 943, 1025, 1150, 1886, 2050, 2105, 4210, 4715, 9430, 9683, 10525, 17261, 19366, 21050, 23575, 34522, 47150, 48415, 86305, 96830, 172610, 242075, 397003, 431525, 484150, 794006, 863050, 1985015, 3970030, 9925075, 19850150]

約数ペア:

[(1, 19850150), (2, 9925075), (5, 3970030), (10, 1985015), (23, 863050), (25, 794006), (41, 484150), (46, 431525), (50, 397003), (82, 242075), (115, 172610), (205, 96830), (230, 86305), (410, 48415), (421, 47150), (575, 34522), (842, 23575), (943, 21050), (1025, 19366), (1150, 17261), (1886, 10525), (2050, 9683), (2105, 9430), (4210, 4715)]