18656880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 65138688

約数和(自身を除く): 46481808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 37, 40, 44, 48, 55, 60, 66, 74, 80, 88, 110, 111, 120, 132, 148, 165, 176, 185, 191, 220, 222, 240, 264, 296, 330, 370, 382, 407, 440, 444, 528, 555, 573, 592, 660, 740, 764, 814, 880, 888, 955, 1110, 1146, 1221, 1320, 1480, 1528, 1628, 1776, 1910, 2035, 2101, 2220, 2292, 2442, 2640, 2865, 2960, 3056, 3256, 3820, 4070, 4202, 4440, 4584, 4884, 5730, 6105, 6303, 6512, 7067, 7640, 8140, 8404, 8880, 9168, 9768, 10505, 11460, 12210, 12606, 14134, 15280, 16280, 16808, 19536, 21010, 21201, 22920, 24420, 25212, 28268, 31515, 32560, 33616, 35335, 42020, 42402, 45840, 48840, 50424, 56536, 63030, 70670, 77737, 84040, 84804, 97680, 100848, 106005, 113072, 126060, 141340, 155474, 168080, 169608, 212010, 233211, 252120, 282680, 310948, 339216, 388685, 424020, 466422, 504240, 565360, 621896, 777370, 848040, 932844, 1166055, 1243792, 1554740, 1696080, 1865688, 2332110, 3109480, 3731376, 4664220, 6218960, 9328440, 18656880]

約数ペア:

[(1, 18656880), (2, 9328440), (3, 6218960), (4, 4664220), (5, 3731376), (6, 3109480), (8, 2332110), (10, 1865688), (11, 1696080), (12, 1554740), (15, 1243792), (16, 1166055), (20, 932844), (22, 848040), (24, 777370), (30, 621896), (33, 565360), (37, 504240), (40, 466422), (44, 424020), (48, 388685), (55, 339216), (60, 310948), (66, 282680), (74, 252120), (80, 233211), (88, 212010), (110, 169608), (111, 168080), (120, 155474), (132, 141340), (148, 126060), (165, 113072), (176, 106005), (185, 100848), (191, 97680), (220, 84804), (222, 84040), (240, 77737), (264, 70670), (296, 63030), (330, 56536), (370, 50424), (382, 48840), (407, 45840), (440, 42402), (444, 42020), (528, 35335), (555, 33616), (573, 32560), (592, 31515), (660, 28268), (740, 25212), (764, 24420), (814, 22920), (880, 21201), (888, 21010), (955, 19536), (1110, 16808), (1146, 16280), (1221, 15280), (1320, 14134), (1480, 12606), (1528, 12210), (1628, 11460), (1776, 10505), (1910, 9768), (2035, 9168), (2101, 8880), (2220, 8404), (2292, 8140), (2442, 7640), (2640, 7067), (2865, 6512), (2960, 6303), (3056, 6105), (3256, 5730), (3820, 4884), (4070, 4584), (4202, 4440)]