15518516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 31281600

約数和(自身を除く): 15763084

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 113, 139, 226, 247, 278, 452, 494, 556, 988, 1469, 1807, 2147, 2641, 2938, 3614, 4294, 5282, 5876, 7228, 8588, 10564, 15707, 27911, 31414, 34333, 55822, 62828, 68666, 111644, 137332, 204191, 298433, 408382, 596866, 816764, 1193732, 3879629, 7759258, 15518516]

約数ペア:

[(1, 15518516), (2, 7759258), (4, 3879629), (13, 1193732), (19, 816764), (26, 596866), (38, 408382), (52, 298433), (76, 204191), (113, 137332), (139, 111644), (226, 68666), (247, 62828), (278, 55822), (452, 34333), (494, 31414), (556, 27911), (988, 15707), (1469, 10564), (1807, 8588), (2147, 7228), (2641, 5876), (2938, 5282), (3614, 4294)]