18306190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2539}}^1$

素因数の和:2656

約数の個数: 32

約数和(自身を含む): 38039040

約数和(自身を除く): 19732850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2539, 3605, 5078, 7210, 12695, 17773, 25390, 35546, 88865, 177730, 261517, 523034, 1307585, 1830619, 2615170, 3661238, 9153095, 18306190]

約数ペア:

[(1, 18306190), (2, 9153095), (5, 3661238), (7, 2615170), (10, 1830619), (14, 1307585), (35, 523034), (70, 261517), (103, 177730), (206, 88865), (515, 35546), (721, 25390), (1030, 17773), (1442, 12695), (2539, 7210), (3605, 5078)]