18730228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4783}}^1$

素因数の和:4887

約数の個数: 24

約数和(自身を含む): 36167040

約数和(自身を除く): 17436812

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 4783, 9566, 19132, 52613, 105226, 210452, 425687, 851374, 1702748, 4682557, 9365114, 18730228]

約数ペア:

[(1, 18730228), (2, 9365114), (4, 4682557), (11, 1702748), (22, 851374), (44, 425687), (89, 210452), (178, 105226), (356, 52613), (979, 19132), (1958, 9566), (3916, 4783)]