19940374611

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{4890943}}^1$

素因数の和:4891103

約数の個数: 16

約数和(自身を含む): 29736939520

約数和(自身を除く): 9796564909

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 4890943, 14672829, 44018487, 132055461, 738532393, 2215597179, 6646791537, 19940374611]

約数ペア:

[(1, 19940374611), (3, 6646791537), (9, 2215597179), (27, 738532393), (151, 132055461), (453, 44018487), (1359, 14672829), (4077, 4890943)]