18662007

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 12206985

約数列:

[1, 3, 7, 13, 21, 39, 91, 197, 273, 347, 591, 1041, 1379, 2429, 2561, 4137, 4511, 7287, 7683, 13533, 17927, 31577, 53781, 68359, 94731, 205077, 478513, 888667, 1435539, 2666001, 6220669, 18662007]

約数ペア:

[(1, 18662007), (3, 6220669), (7, 2666001), (13, 1435539), (21, 888667), (39, 478513), (91, 205077), (197, 94731), (273, 68359), (347, 53781), (591, 31577), (1041, 17927), (1379, 13533), (2429, 7683), (2561, 7287), (4137, 4511)]