19399510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{883}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 37870560

約数和(自身を除く): 18471050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 883, 1690, 1766, 2197, 4394, 4415, 8830, 10985, 11479, 21970, 22958, 57395, 114790, 149227, 298454, 746135, 1492270, 1939951, 3879902, 9699755, 19399510]

約数ペア:

[(1, 19399510), (2, 9699755), (5, 3879902), (10, 1939951), (13, 1492270), (26, 746135), (65, 298454), (130, 149227), (169, 114790), (338, 57395), (845, 22958), (883, 21970), (1690, 11479), (1766, 10985), (2197, 8830), (4394, 4415)]