18023924

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 32182920

約数和(自身を除く): 14158996

約数列:

[1, 2, 4, 89, 178, 197, 257, 356, 394, 514, 788, 1028, 17533, 22873, 35066, 45746, 50629, 70132, 91492, 101258, 202516, 4505981, 9011962, 18023924]

約数ペア:

[(1, 18023924), (2, 9011962), (4, 4505981), (89, 202516), (178, 101258), (197, 91492), (257, 70132), (356, 50629), (394, 45746), (514, 35066), (788, 22873), (1028, 17533)]