18717544

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{601}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 37384200

約数和(自身を除く): 18666656

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 229, 458, 601, 916, 1202, 1832, 2404, 3893, 4808, 7786, 10217, 15572, 20434, 31144, 40868, 81736, 137629, 275258, 550516, 1101032, 2339693, 4679386, 9358772, 18717544]

約数ペア:

[(1, 18717544), (2, 9358772), (4, 4679386), (8, 2339693), (17, 1101032), (34, 550516), (68, 275258), (136, 137629), (229, 81736), (458, 40868), (601, 31144), (916, 20434), (1202, 15572), (1832, 10217), (2404, 7786), (3893, 4808)]