18269620

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3989}}^1$

素因数の和:4227

約数の個数: 24

約数和(自身を含む): 38543400

約数和(自身を除く): 20273780

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 3989, 4580, 7978, 15956, 19945, 39890, 79780, 913481, 1826962, 3653924, 4567405, 9134810, 18269620]

約数ペア:

[(1, 18269620), (2, 9134810), (4, 4567405), (5, 3653924), (10, 1826962), (20, 913481), (229, 79780), (458, 39890), (916, 19945), (1145, 15956), (2290, 7978), (3989, 4580)]