18488800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 108

約数和(自身を含む): 49871808

約数和(自身を除く): 31383008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 121, 160, 176, 191, 200, 220, 242, 275, 352, 382, 400, 440, 484, 550, 605, 764, 800, 880, 955, 968, 1100, 1210, 1528, 1760, 1910, 1936, 2101, 2200, 2420, 3025, 3056, 3820, 3872, 4202, 4400, 4775, 4840, 6050, 6112, 7640, 8404, 8800, 9550, 9680, 10505, 12100, 15280, 16808, 19100, 19360, 21010, 23111, 24200, 30560, 33616, 38200, 42020, 46222, 48400, 52525, 67232, 76400, 84040, 92444, 96800, 105050, 115555, 152800, 168080, 184888, 210100, 231110, 336160, 369776, 420200, 462220, 577775, 739552, 840400, 924440, 1155550, 1680800, 1848880, 2311100, 3697760, 4622200, 9244400, 18488800]

約数ペア:

[(1, 18488800), (2, 9244400), (4, 4622200), (5, 3697760), (8, 2311100), (10, 1848880), (11, 1680800), (16, 1155550), (20, 924440), (22, 840400), (25, 739552), (32, 577775), (40, 462220), (44, 420200), (50, 369776), (55, 336160), (80, 231110), (88, 210100), (100, 184888), (110, 168080), (121, 152800), (160, 115555), (176, 105050), (191, 96800), (200, 92444), (220, 84040), (242, 76400), (275, 67232), (352, 52525), (382, 48400), (400, 46222), (440, 42020), (484, 38200), (550, 33616), (605, 30560), (764, 24200), (800, 23111), (880, 21010), (955, 19360), (968, 19100), (1100, 16808), (1210, 15280), (1528, 12100), (1760, 10505), (1910, 9680), (1936, 9550), (2101, 8800), (2200, 8404), (2420, 7640), (3025, 6112), (3056, 6050), (3820, 4840), (3872, 4775), (4202, 4400)]