18688230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 54362880

約数和(自身を除く): 35674650

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 43, 45, 55, 66, 86, 90, 99, 110, 129, 165, 198, 215, 258, 330, 387, 430, 439, 473, 495, 645, 774, 878, 946, 990, 1290, 1317, 1419, 1935, 2195, 2365, 2634, 2838, 3870, 3951, 4257, 4390, 4730, 4829, 6585, 7095, 7902, 8514, 9658, 13170, 14190, 14487, 18877, 19755, 21285, 24145, 28974, 37754, 39510, 42570, 43461, 48290, 56631, 72435, 86922, 94385, 113262, 144870, 169893, 188770, 207647, 217305, 283155, 339786, 415294, 434610, 566310, 622941, 849465, 1038235, 1245882, 1698930, 1868823, 2076470, 3114705, 3737646, 6229410, 9344115, 18688230]

約数ペア:

[(1, 18688230), (2, 9344115), (3, 6229410), (5, 3737646), (6, 3114705), (9, 2076470), (10, 1868823), (11, 1698930), (15, 1245882), (18, 1038235), (22, 849465), (30, 622941), (33, 566310), (43, 434610), (45, 415294), (55, 339786), (66, 283155), (86, 217305), (90, 207647), (99, 188770), (110, 169893), (129, 144870), (165, 113262), (198, 94385), (215, 86922), (258, 72435), (330, 56631), (387, 48290), (430, 43461), (439, 42570), (473, 39510), (495, 37754), (645, 28974), (774, 24145), (878, 21285), (946, 19755), (990, 18877), (1290, 14487), (1317, 14190), (1419, 13170), (1935, 9658), (2195, 8514), (2365, 7902), (2634, 7095), (2838, 6585), (3870, 4829), (3951, 4730), (4257, 4390)]