18420010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 41928192

約数和(自身を除く): 23508182

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 673, 782, 805, 1190, 1346, 1610, 1955, 2737, 3365, 3910, 4711, 5474, 6730, 9422, 11441, 13685, 15479, 22882, 23555, 27370, 30958, 47110, 57205, 77395, 80087, 108353, 114410, 154790, 160174, 216706, 263143, 400435, 526286, 541765, 800870, 1083530, 1315715, 1842001, 2631430, 3684002, 9210005, 18420010]

約数ペア:

[(1, 18420010), (2, 9210005), (5, 3684002), (7, 2631430), (10, 1842001), (14, 1315715), (17, 1083530), (23, 800870), (34, 541765), (35, 526286), (46, 400435), (70, 263143), (85, 216706), (115, 160174), (119, 154790), (161, 114410), (170, 108353), (230, 80087), (238, 77395), (322, 57205), (391, 47110), (595, 30958), (673, 27370), (782, 23555), (805, 22882), (1190, 15479), (1346, 13685), (1610, 11441), (1955, 9422), (2737, 6730), (3365, 5474), (3910, 4711)]