18727312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61603}}^1$

素因数の和:61630

約数の個数: 20

約数和(自身を含む): 38194480

約数和(自身を除く): 19467168

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61603, 123206, 246412, 492824, 985648, 1170457, 2340914, 4681828, 9363656, 18727312]

約数ペア:

[(1, 18727312), (2, 9363656), (4, 4681828), (8, 2340914), (16, 1170457), (19, 985648), (38, 492824), (76, 246412), (152, 123206), (304, 61603)]