19040588

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 20876212

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 131, 179, 203, 262, 358, 406, 524, 716, 812, 917, 1253, 1834, 2506, 3668, 3799, 5012, 5191, 7598, 10382, 15196, 20764, 23449, 26593, 36337, 46898, 53186, 72674, 93796, 106372, 145348, 164143, 328286, 656572, 680021, 1360042, 2720084, 4760147, 9520294, 19040588]

約数ペア:

[(1, 19040588), (2, 9520294), (4, 4760147), (7, 2720084), (14, 1360042), (28, 680021), (29, 656572), (58, 328286), (116, 164143), (131, 145348), (179, 106372), (203, 93796), (262, 72674), (358, 53186), (406, 46898), (524, 36337), (716, 26593), (812, 23449), (917, 20764), (1253, 15196), (1834, 10382), (2506, 7598), (3668, 5191), (3799, 5012)]