18493004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3989}}^1$

素因数の和:4073

約数の個数: 24

約数和(自身を含む): 34633200

約数和(自身を除く): 16140196

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 3989, 4636, 7978, 15956, 75791, 151582, 243329, 303164, 486658, 973316, 4623251, 9246502, 18493004]

約数ペア:

[(1, 18493004), (2, 9246502), (4, 4623251), (19, 973316), (38, 486658), (61, 303164), (76, 243329), (122, 151582), (244, 75791), (1159, 15956), (2318, 7978), (3989, 4636)]