18060460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 26180660

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 439, 484, 605, 748, 878, 935, 1210, 1756, 1870, 2057, 2195, 2420, 3740, 4114, 4390, 4829, 7463, 8228, 8780, 9658, 10285, 14926, 19316, 20570, 24145, 29852, 37315, 41140, 48290, 53119, 74630, 82093, 96580, 106238, 149260, 164186, 212476, 265595, 328372, 410465, 531190, 820930, 903023, 1062380, 1641860, 1806046, 3612092, 4515115, 9030230, 18060460]

約数ペア:

[(1, 18060460), (2, 9030230), (4, 4515115), (5, 3612092), (10, 1806046), (11, 1641860), (17, 1062380), (20, 903023), (22, 820930), (34, 531190), (44, 410465), (55, 328372), (68, 265595), (85, 212476), (110, 164186), (121, 149260), (170, 106238), (187, 96580), (220, 82093), (242, 74630), (340, 53119), (374, 48290), (439, 41140), (484, 37315), (605, 29852), (748, 24145), (878, 20570), (935, 19316), (1210, 14926), (1756, 10285), (1870, 9658), (2057, 8780), (2195, 8228), (2420, 7463), (3740, 4829), (4114, 4390)]