19618090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 17214230

約数列:

[1, 2, 5, 10, 41, 59, 82, 118, 205, 295, 410, 590, 811, 1622, 2419, 4055, 4838, 8110, 12095, 24190, 33251, 47849, 66502, 95698, 166255, 239245, 332510, 478490, 1961809, 3923618, 9809045, 19618090]

約数ペア:

[(1, 19618090), (2, 9809045), (5, 3923618), (10, 1961809), (41, 478490), (59, 332510), (82, 239245), (118, 166255), (205, 95698), (295, 66502), (410, 47849), (590, 33251), (811, 24190), (1622, 12095), (2419, 8110), (4055, 4838)]