16218620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73721}}^1$

素因数の和:73741

約数の個数: 24

約数和(自身を含む): 37155888

約数和(自身を除く): 20937268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 73721, 147442, 294884, 368605, 737210, 810931, 1474420, 1621862, 3243724, 4054655, 8109310, 16218620]

約数ペア:

[(1, 16218620), (2, 8109310), (4, 4054655), (5, 3243724), (10, 1621862), (11, 1474420), (20, 810931), (22, 737210), (44, 368605), (55, 294884), (110, 147442), (220, 73721)]