18492944

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 36997632

約数和(自身を除く): 18504688

約数列:

[1, 2, 4, 8, 16, 71, 73, 142, 146, 223, 284, 292, 446, 568, 584, 892, 1136, 1168, 1784, 3568, 5183, 10366, 15833, 16279, 20732, 31666, 32558, 41464, 63332, 65116, 82928, 126664, 130232, 253328, 260464, 1155809, 2311618, 4623236, 9246472, 18492944]

約数ペア:

[(1, 18492944), (2, 9246472), (4, 4623236), (8, 2311618), (16, 1155809), (71, 260464), (73, 253328), (142, 130232), (146, 126664), (223, 82928), (284, 65116), (292, 63332), (446, 41464), (568, 32558), (584, 31666), (892, 20732), (1136, 16279), (1168, 15833), (1784, 10366), (3568, 5183)]