18696210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47939}}^1$

素因数の和:47962

約数の個数: 32

約数和(自身を含む): 48323520

約数和(自身を除く): 29627310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47939, 95878, 143817, 239695, 287634, 479390, 623207, 719085, 1246414, 1438170, 1869621, 3116035, 3739242, 6232070, 9348105, 18696210]

約数ペア:

[(1, 18696210), (2, 9348105), (3, 6232070), (5, 3739242), (6, 3116035), (10, 1869621), (13, 1438170), (15, 1246414), (26, 719085), (30, 623207), (39, 479390), (65, 287634), (78, 239695), (130, 143817), (195, 95878), (390, 47939)]