18508490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 45795456

約数和(自身を除く): 27286966

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 43, 55, 65, 70, 77, 86, 91, 110, 130, 143, 154, 182, 215, 286, 301, 385, 430, 455, 473, 559, 602, 715, 770, 910, 946, 1001, 1118, 1430, 1505, 1849, 2002, 2365, 2795, 3010, 3311, 3698, 3913, 4730, 5005, 5590, 6149, 6622, 7826, 9245, 10010, 12298, 12943, 16555, 18490, 19565, 20339, 24037, 25886, 30745, 33110, 39130, 40678, 43043, 48074, 61490, 64715, 86086, 101695, 120185, 129430, 142373, 168259, 203390, 215215, 240370, 264407, 284746, 336518, 430430, 528814, 711865, 841295, 1322035, 1423730, 1682590, 1850849, 2644070, 3701698, 9254245, 18508490]

約数ペア:

[(1, 18508490), (2, 9254245), (5, 3701698), (7, 2644070), (10, 1850849), (11, 1682590), (13, 1423730), (14, 1322035), (22, 841295), (26, 711865), (35, 528814), (43, 430430), (55, 336518), (65, 284746), (70, 264407), (77, 240370), (86, 215215), (91, 203390), (110, 168259), (130, 142373), (143, 129430), (154, 120185), (182, 101695), (215, 86086), (286, 64715), (301, 61490), (385, 48074), (430, 43043), (455, 40678), (473, 39130), (559, 33110), (602, 30745), (715, 25886), (770, 24037), (910, 20339), (946, 19565), (1001, 18490), (1118, 16555), (1430, 12943), (1505, 12298), (1849, 10010), (2002, 9245), (2365, 7826), (2795, 6622), (3010, 6149), (3311, 5590), (3698, 5005), (3913, 4730)]