18622440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 63676800

約数和(自身を除く): 45054360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 401, 430, 516, 540, 645, 774, 802, 860, 1032, 1080, 1161, 1203, 1290, 1548, 1604, 1720, 1935, 2005, 2322, 2406, 2580, 3096, 3208, 3609, 3870, 4010, 4644, 4812, 5160, 5805, 6015, 7218, 7740, 8020, 9288, 9624, 10827, 11610, 12030, 14436, 15480, 16040, 17243, 18045, 21654, 23220, 24060, 28872, 34486, 36090, 43308, 46440, 48120, 51729, 54135, 68972, 72180, 86215, 86616, 103458, 108270, 137944, 144360, 155187, 172430, 206916, 216540, 258645, 310374, 344860, 413832, 433080, 465561, 517290, 620748, 689720, 775935, 931122, 1034580, 1241496, 1551870, 1862244, 2069160, 2327805, 3103740, 3724488, 4655610, 6207480, 9311220, 18622440]

約数ペア:

[(1, 18622440), (2, 9311220), (3, 6207480), (4, 4655610), (5, 3724488), (6, 3103740), (8, 2327805), (9, 2069160), (10, 1862244), (12, 1551870), (15, 1241496), (18, 1034580), (20, 931122), (24, 775935), (27, 689720), (30, 620748), (36, 517290), (40, 465561), (43, 433080), (45, 413832), (54, 344860), (60, 310374), (72, 258645), (86, 216540), (90, 206916), (108, 172430), (120, 155187), (129, 144360), (135, 137944), (172, 108270), (180, 103458), (215, 86616), (216, 86215), (258, 72180), (270, 68972), (344, 54135), (360, 51729), (387, 48120), (401, 46440), (430, 43308), (516, 36090), (540, 34486), (645, 28872), (774, 24060), (802, 23220), (860, 21654), (1032, 18045), (1080, 17243), (1161, 16040), (1203, 15480), (1290, 14436), (1548, 12030), (1604, 11610), (1720, 10827), (1935, 9624), (2005, 9288), (2322, 8020), (2406, 7740), (2580, 7218), (3096, 6015), (3208, 5805), (3609, 5160), (3870, 4812), (4010, 4644)]