19408920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161741}}^1$

素因数の和:161755

約数の個数: 32

約数和(自身を含む): 58227120

約数和(自身を除く): 38818200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161741, 323482, 485223, 646964, 808705, 970446, 1293928, 1617410, 1940892, 2426115, 3234820, 3881784, 4852230, 6469640, 9704460, 19408920]

約数ペア:

[(1, 19408920), (2, 9704460), (3, 6469640), (4, 4852230), (5, 3881784), (6, 3234820), (8, 2426115), (10, 1940892), (12, 1617410), (15, 1293928), (20, 970446), (24, 808705), (30, 646964), (40, 485223), (60, 323482), (120, 161741)]