18419800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 31577000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 59, 70, 100, 118, 140, 175, 200, 223, 236, 280, 295, 350, 413, 446, 472, 590, 700, 826, 892, 1115, 1180, 1400, 1475, 1561, 1652, 1784, 2065, 2230, 2360, 2950, 3122, 3304, 4130, 4460, 5575, 5900, 6244, 7805, 8260, 8920, 10325, 11150, 11800, 12488, 13157, 15610, 16520, 20650, 22300, 26314, 31220, 39025, 41300, 44600, 52628, 62440, 65785, 78050, 82600, 92099, 105256, 131570, 156100, 184198, 263140, 312200, 328925, 368396, 460495, 526280, 657850, 736792, 920990, 1315700, 1841980, 2302475, 2631400, 3683960, 4604950, 9209900, 18419800]

約数ペア:

[(1, 18419800), (2, 9209900), (4, 4604950), (5, 3683960), (7, 2631400), (8, 2302475), (10, 1841980), (14, 1315700), (20, 920990), (25, 736792), (28, 657850), (35, 526280), (40, 460495), (50, 368396), (56, 328925), (59, 312200), (70, 263140), (100, 184198), (118, 156100), (140, 131570), (175, 105256), (200, 92099), (223, 82600), (236, 78050), (280, 65785), (295, 62440), (350, 52628), (413, 44600), (446, 41300), (472, 39025), (590, 31220), (700, 26314), (826, 22300), (892, 20650), (1115, 16520), (1180, 15610), (1400, 13157), (1475, 12488), (1561, 11800), (1652, 11150), (1784, 10325), (2065, 8920), (2230, 8260), (2360, 7805), (2950, 6244), (3122, 5900), (3304, 5575), (4130, 4460)]