18748312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 40953600

約数和(自身を除く): 22205288

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 59, 88, 92, 118, 157, 184, 236, 253, 314, 472, 506, 628, 649, 1012, 1256, 1298, 1357, 1727, 2024, 2596, 2714, 3454, 3611, 5192, 5428, 6908, 7222, 9263, 10856, 13816, 14444, 14927, 18526, 28888, 29854, 37052, 39721, 59708, 74104, 79442, 101893, 119416, 158884, 203786, 213049, 317768, 407572, 426098, 815144, 852196, 1704392, 2343539, 4687078, 9374156, 18748312]

約数ペア:

[(1, 18748312), (2, 9374156), (4, 4687078), (8, 2343539), (11, 1704392), (22, 852196), (23, 815144), (44, 426098), (46, 407572), (59, 317768), (88, 213049), (92, 203786), (118, 158884), (157, 119416), (184, 101893), (236, 79442), (253, 74104), (314, 59708), (472, 39721), (506, 37052), (628, 29854), (649, 28888), (1012, 18526), (1256, 14927), (1298, 14444), (1357, 13816), (1727, 10856), (2024, 9263), (2596, 7222), (2714, 6908), (3454, 5428), (3611, 5192)]