18208540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1567}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 44255232

約数和(自身を除く): 26046692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1567, 1660, 2324, 2905, 3134, 5810, 6268, 7835, 10969, 11620, 15670, 21938, 31340, 43876, 54845, 109690, 130061, 219380, 260122, 520244, 650305, 910427, 1300610, 1820854, 2601220, 3641708, 4552135, 9104270, 18208540]

約数ペア:

[(1, 18208540), (2, 9104270), (4, 4552135), (5, 3641708), (7, 2601220), (10, 1820854), (14, 1300610), (20, 910427), (28, 650305), (35, 520244), (70, 260122), (83, 219380), (140, 130061), (166, 109690), (332, 54845), (415, 43876), (581, 31340), (830, 21938), (1162, 15670), (1567, 11620), (1660, 10969), (2324, 7835), (2905, 6268), (3134, 5810)]