18793040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:964

約数の個数: 80

約数和(自身を含む): 51341952

約数和(自身を除く): 32548912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 907, 1036, 1295, 1480, 1814, 2072, 2590, 2960, 3628, 4144, 4535, 5180, 6349, 7256, 9070, 10360, 12698, 14512, 18140, 20720, 25396, 31745, 33559, 36280, 50792, 63490, 67118, 72560, 101584, 126980, 134236, 167795, 234913, 253960, 268472, 335590, 469826, 507920, 536944, 671180, 939652, 1174565, 1342360, 1879304, 2349130, 2684720, 3758608, 4698260, 9396520, 18793040]

約数ペア:

[(1, 18793040), (2, 9396520), (4, 4698260), (5, 3758608), (7, 2684720), (8, 2349130), (10, 1879304), (14, 1342360), (16, 1174565), (20, 939652), (28, 671180), (35, 536944), (37, 507920), (40, 469826), (56, 335590), (70, 268472), (74, 253960), (80, 234913), (112, 167795), (140, 134236), (148, 126980), (185, 101584), (259, 72560), (280, 67118), (296, 63490), (370, 50792), (518, 36280), (560, 33559), (592, 31745), (740, 25396), (907, 20720), (1036, 18140), (1295, 14512), (1480, 12698), (1814, 10360), (2072, 9070), (2590, 7256), (2960, 6349), (3628, 5180), (4144, 4535)]