18986896

素因数分解:

$2^4\times {\mathrm{1031}}^1\times {\mathrm{1151}}^1$

素因数の和:2190

約数の個数: 20

約数和(自身を含む): 36854784

約数和(自身を除く): 17867888

約数列:

[1, 2, 4, 8, 16, 1031, 1151, 2062, 2302, 4124, 4604, 8248, 9208, 16496, 18416, 1186681, 2373362, 4746724, 9493448, 18986896]

約数ペア:

[(1, 18986896), (2, 9493448), (4, 4746724), (8, 2373362), (16, 1186681), (1031, 18416), (1151, 16496), (2062, 9208), (2302, 8248), (4124, 4604)]