19946090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48649}}^1$

素因数の和:48697

約数の個数: 16

約数和(自身を含む): 36779400

約数和(自身を除く): 16833310

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48649, 97298, 243245, 486490, 1994609, 3989218, 9973045, 19946090]

約数ペア:

[(1, 19946090), (2, 9973045), (5, 3989218), (10, 1994609), (41, 486490), (82, 243245), (205, 97298), (410, 48649)]