18653580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9421}}^1$

素因数の和:9447

約数の個数: 72

約数和(自身を含む): 61732944

約数和(自身を除く): 43079364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9421, 18842, 28263, 37684, 47105, 56526, 84789, 94210, 103631, 113052, 141315, 169578, 188420, 207262, 282630, 310893, 339156, 414524, 423945, 518155, 565260, 621786, 847890, 932679, 1036310, 1243572, 1554465, 1695780, 1865358, 2072620, 3108930, 3730716, 4663395, 6217860, 9326790, 18653580]

約数ペア:

[(1, 18653580), (2, 9326790), (3, 6217860), (4, 4663395), (5, 3730716), (6, 3108930), (9, 2072620), (10, 1865358), (11, 1695780), (12, 1554465), (15, 1243572), (18, 1036310), (20, 932679), (22, 847890), (30, 621786), (33, 565260), (36, 518155), (44, 423945), (45, 414524), (55, 339156), (60, 310893), (66, 282630), (90, 207262), (99, 188420), (110, 169578), (132, 141315), (165, 113052), (180, 103631), (198, 94210), (220, 84789), (330, 56526), (396, 47105), (495, 37684), (660, 28263), (990, 18842), (1980, 9421)]