19475240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 46051200

約数和(自身を除く): 26575960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 103, 116, 145, 163, 206, 232, 290, 326, 412, 515, 580, 652, 815, 824, 1030, 1160, 1304, 1630, 2060, 2987, 3260, 4120, 4727, 5974, 6520, 9454, 11948, 14935, 16789, 18908, 23635, 23896, 29870, 33578, 37816, 47270, 59740, 67156, 83945, 94540, 119480, 134312, 167890, 189080, 335780, 486881, 671560, 973762, 1947524, 2434405, 3895048, 4868810, 9737620, 19475240]

約数ペア:

[(1, 19475240), (2, 9737620), (4, 4868810), (5, 3895048), (8, 2434405), (10, 1947524), (20, 973762), (29, 671560), (40, 486881), (58, 335780), (103, 189080), (116, 167890), (145, 134312), (163, 119480), (206, 94540), (232, 83945), (290, 67156), (326, 59740), (412, 47270), (515, 37816), (580, 33578), (652, 29870), (815, 23896), (824, 23635), (1030, 18908), (1160, 16789), (1304, 14935), (1630, 11948), (2060, 9454), (2987, 6520), (3260, 5974), (4120, 4727)]