18933460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 49900032

約数和(自身を除く): 30966572

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 101, 103, 130, 140, 182, 202, 206, 260, 364, 404, 412, 455, 505, 515, 707, 721, 910, 1010, 1030, 1313, 1339, 1414, 1442, 1820, 2020, 2060, 2626, 2678, 2828, 2884, 3535, 3605, 5252, 5356, 6565, 6695, 7070, 7210, 9191, 9373, 10403, 13130, 13390, 14140, 14420, 18382, 18746, 20806, 26260, 26780, 36764, 37492, 41612, 45955, 46865, 52015, 72821, 91910, 93730, 104030, 135239, 145642, 183820, 187460, 208060, 270478, 291284, 364105, 540956, 676195, 728210, 946673, 1352390, 1456420, 1893346, 2704780, 3786692, 4733365, 9466730, 18933460]

約数ペア:

[(1, 18933460), (2, 9466730), (4, 4733365), (5, 3786692), (7, 2704780), (10, 1893346), (13, 1456420), (14, 1352390), (20, 946673), (26, 728210), (28, 676195), (35, 540956), (52, 364105), (65, 291284), (70, 270478), (91, 208060), (101, 187460), (103, 183820), (130, 145642), (140, 135239), (182, 104030), (202, 93730), (206, 91910), (260, 72821), (364, 52015), (404, 46865), (412, 45955), (455, 41612), (505, 37492), (515, 36764), (707, 26780), (721, 26260), (910, 20806), (1010, 18746), (1030, 18382), (1313, 14420), (1339, 14140), (1414, 13390), (1442, 13130), (1820, 10403), (2020, 9373), (2060, 9191), (2626, 7210), (2678, 7070), (2828, 6695), (2884, 6565), (3535, 5356), (3605, 5252)]