18655815

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{977}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 31921920

約数和(自身を除く): 13266105

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 285, 335, 977, 1005, 1273, 2931, 3819, 4885, 6365, 14655, 18563, 19095, 55689, 65459, 92815, 196377, 278445, 327295, 981885, 1243721, 3731163, 6218605, 18655815]

約数ペア:

[(1, 18655815), (3, 6218605), (5, 3731163), (15, 1243721), (19, 981885), (57, 327295), (67, 278445), (95, 196377), (201, 92815), (285, 65459), (335, 55689), (977, 19095), (1005, 18563), (1273, 14655), (2931, 6365), (3819, 4885)]