19831370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 19117750

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 1931, 2054, 3862, 5135, 9655, 10270, 19310, 25103, 50206, 125515, 152549, 251030, 305098, 762745, 1525490, 1983137, 3966274, 9915685, 19831370]

約数ペア:

[(1, 19831370), (2, 9915685), (5, 3966274), (10, 1983137), (13, 1525490), (26, 762745), (65, 305098), (79, 251030), (130, 152549), (158, 125515), (395, 50206), (790, 25103), (1027, 19310), (1931, 10270), (2054, 9655), (3862, 5135)]