18486990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 52262496

約数和(自身を除く): 33775506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 43, 45, 51, 85, 86, 90, 102, 129, 153, 170, 215, 255, 258, 281, 306, 387, 430, 510, 562, 645, 731, 765, 774, 843, 1290, 1405, 1462, 1530, 1686, 1935, 2193, 2529, 2810, 3655, 3870, 4215, 4386, 4777, 5058, 6579, 7310, 8430, 9554, 10965, 12083, 12645, 13158, 14331, 21930, 23885, 24166, 25290, 28662, 32895, 36249, 42993, 47770, 60415, 65790, 71655, 72498, 85986, 108747, 120830, 143310, 181245, 205411, 214965, 217494, 362490, 410822, 429930, 543735, 616233, 1027055, 1087470, 1232466, 1848699, 2054110, 3081165, 3697398, 6162330, 9243495, 18486990]

約数ペア:

[(1, 18486990), (2, 9243495), (3, 6162330), (5, 3697398), (6, 3081165), (9, 2054110), (10, 1848699), (15, 1232466), (17, 1087470), (18, 1027055), (30, 616233), (34, 543735), (43, 429930), (45, 410822), (51, 362490), (85, 217494), (86, 214965), (90, 205411), (102, 181245), (129, 143310), (153, 120830), (170, 108747), (215, 85986), (255, 72498), (258, 71655), (281, 65790), (306, 60415), (387, 47770), (430, 42993), (510, 36249), (562, 32895), (645, 28662), (731, 25290), (765, 24166), (774, 23885), (843, 21930), (1290, 14331), (1405, 13158), (1462, 12645), (1530, 12083), (1686, 10965), (1935, 9554), (2193, 8430), (2529, 7310), (2810, 6579), (3655, 5058), (3870, 4777), (4215, 4386)]