18921510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 53071200

約数和(自身を除く): 34149690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 83, 85, 90, 102, 149, 153, 166, 170, 249, 255, 298, 306, 415, 447, 498, 510, 745, 747, 765, 830, 894, 1245, 1341, 1411, 1490, 1494, 1530, 2235, 2490, 2533, 2682, 2822, 3735, 4233, 4470, 5066, 6705, 7055, 7470, 7599, 8466, 12367, 12665, 12699, 13410, 14110, 15198, 21165, 22797, 24734, 25330, 25398, 37101, 37995, 42330, 45594, 61835, 63495, 74202, 75990, 111303, 113985, 123670, 126990, 185505, 210239, 222606, 227970, 371010, 420478, 556515, 630717, 1051195, 1113030, 1261434, 1892151, 2102390, 3153585, 3784302, 6307170, 9460755, 18921510]

約数ペア:

[(1, 18921510), (2, 9460755), (3, 6307170), (5, 3784302), (6, 3153585), (9, 2102390), (10, 1892151), (15, 1261434), (17, 1113030), (18, 1051195), (30, 630717), (34, 556515), (45, 420478), (51, 371010), (83, 227970), (85, 222606), (90, 210239), (102, 185505), (149, 126990), (153, 123670), (166, 113985), (170, 111303), (249, 75990), (255, 74202), (298, 63495), (306, 61835), (415, 45594), (447, 42330), (498, 37995), (510, 37101), (745, 25398), (747, 25330), (765, 24734), (830, 22797), (894, 21165), (1245, 15198), (1341, 14110), (1411, 13410), (1490, 12699), (1494, 12665), (1530, 12367), (2235, 8466), (2490, 7599), (2533, 7470), (2682, 7055), (2822, 6705), (3735, 5066), (4233, 4470)]