18703330

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{25621}}^1$

素因数の和:25701

約数の個数: 16

約数和(自身を含む): 34128504

約数和(自身を除く): 15425174

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 25621, 51242, 128105, 256210, 1870333, 3740666, 9351665, 18703330]

約数ペア:

[(1, 18703330), (2, 9351665), (5, 3740666), (10, 1870333), (73, 256210), (146, 128105), (365, 51242), (730, 25621)]