19657140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327619}}^1$

素因数の和:327631

約数の個数: 24

約数和(自身を含む): 55040160

約数和(自身を除く): 35383020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327619, 655238, 982857, 1310476, 1638095, 1965714, 3276190, 3931428, 4914285, 6552380, 9828570, 19657140]

約数ペア:

[(1, 19657140), (2, 9828570), (3, 6552380), (4, 4914285), (5, 3931428), (6, 3276190), (10, 1965714), (12, 1638095), (15, 1310476), (20, 982857), (30, 655238), (60, 327619)]