19408090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6491}}^1$

素因数の和:6534

約数の個数: 32

約数和(自身を含む): 39263616

約数和(自身を除く): 19855526

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6491, 12982, 32455, 64910, 84383, 149293, 168766, 298586, 421915, 746465, 843830, 1492930, 1940809, 3881618, 9704045, 19408090]

約数ペア:

[(1, 19408090), (2, 9704045), (5, 3881618), (10, 1940809), (13, 1492930), (23, 843830), (26, 746465), (46, 421915), (65, 298586), (115, 168766), (130, 149293), (230, 84383), (299, 64910), (598, 32455), (1495, 12982), (2990, 6491)]