18226120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1846

約数の個数: 64

約数和(自身を含む): 46707840

約数和(自身を除く): 28481720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1801, 2024, 2530, 3602, 5060, 7204, 9005, 10120, 14408, 18010, 19811, 36020, 39622, 41423, 72040, 79244, 82846, 99055, 158488, 165692, 198110, 207115, 331384, 396220, 414230, 455653, 792440, 828460, 911306, 1656920, 1822612, 2278265, 3645224, 4556530, 9113060, 18226120]

約数ペア:

[(1, 18226120), (2, 9113060), (4, 4556530), (5, 3645224), (8, 2278265), (10, 1822612), (11, 1656920), (20, 911306), (22, 828460), (23, 792440), (40, 455653), (44, 414230), (46, 396220), (55, 331384), (88, 207115), (92, 198110), (110, 165692), (115, 158488), (184, 99055), (220, 82846), (230, 79244), (253, 72040), (440, 41423), (460, 39622), (506, 36020), (920, 19811), (1012, 18010), (1265, 14408), (1801, 10120), (2024, 9005), (2530, 7204), (3602, 5060)]