19877140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26861}}^1$

素因数の和:26907

約数の個数: 24

約数和(自身を含む): 42871752

約数和(自身を除く): 22994612

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 26861, 53722, 107444, 134305, 268610, 537220, 993857, 1987714, 3975428, 4969285, 9938570, 19877140]

約数ペア:

[(1, 19877140), (2, 9938570), (4, 4969285), (5, 3975428), (10, 1987714), (20, 993857), (37, 537220), (74, 268610), (148, 134305), (185, 107444), (370, 53722), (740, 26861)]