19290856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{739}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 39160800

約数和(自身を除く): 19869944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 739, 1004, 1478, 2008, 2956, 3263, 5912, 6526, 9607, 13052, 19214, 26104, 38428, 76856, 185489, 370978, 741956, 1483912, 2411357, 4822714, 9645428, 19290856]

約数ペア:

[(1, 19290856), (2, 9645428), (4, 4822714), (8, 2411357), (13, 1483912), (26, 741956), (52, 370978), (104, 185489), (251, 76856), (502, 38428), (739, 26104), (1004, 19214), (1478, 13052), (2008, 9607), (2956, 6526), (3263, 5912)]