18174640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 48568320

約数和(自身を除く): 30393680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1087, 1520, 1672, 2090, 2174, 3344, 4180, 4348, 5435, 8360, 8696, 10870, 11957, 16720, 17392, 20653, 21740, 23914, 41306, 43480, 47828, 59785, 82612, 86960, 95656, 103265, 119570, 165224, 191312, 206530, 227183, 239140, 330448, 413060, 454366, 478280, 826120, 908732, 956560, 1135915, 1652240, 1817464, 2271830, 3634928, 4543660, 9087320, 18174640]

約数ペア:

[(1, 18174640), (2, 9087320), (4, 4543660), (5, 3634928), (8, 2271830), (10, 1817464), (11, 1652240), (16, 1135915), (19, 956560), (20, 908732), (22, 826120), (38, 478280), (40, 454366), (44, 413060), (55, 330448), (76, 239140), (80, 227183), (88, 206530), (95, 191312), (110, 165224), (152, 119570), (176, 103265), (190, 95656), (209, 86960), (220, 82612), (304, 59785), (380, 47828), (418, 43480), (440, 41306), (760, 23914), (836, 21740), (880, 20653), (1045, 17392), (1087, 16720), (1520, 11957), (1672, 10870), (2090, 8696), (2174, 8360), (3344, 5435), (4180, 4348)]