18974730015

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{5651}}^1$

素因数の和:5805

約数の個数: 96

約数和(自身を含む): 35550627840

約数和(自身を除く): 16575897825

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 83, 87, 93, 145, 155, 249, 261, 279, 415, 435, 465, 747, 899, 1245, 1305, 1395, 2407, 2573, 2697, 3735, 4495, 5651, 7221, 7719, 8091, 12035, 12865, 13485, 16953, 21663, 23157, 28255, 36105, 38595, 40455, 50859, 74617, 84765, 108315, 115785, 163879, 175181, 223851, 254295, 373085, 469033, 491637, 525543, 671553, 819395, 875905, 1119255, 1407099, 1474911, 1576629, 2345165, 2458185, 2627715, 3357765, 4221297, 5080249, 7035495, 7374555, 7883145, 13601957, 14540023, 15240747, 21106485, 25401245, 40805871, 43620069, 45722241, 68009785, 72700115, 76203735, 122417613, 130860207, 204029355, 218100345, 228611205, 421660667, 612088065, 654301035, 1264982001, 2108303335, 3794946003, 6324910005, 18974730015]

約数ペア:

[(1, 18974730015), (3, 6324910005), (5, 3794946003), (9, 2108303335), (15, 1264982001), (29, 654301035), (31, 612088065), (45, 421660667), (83, 228611205), (87, 218100345), (93, 204029355), (145, 130860207), (155, 122417613), (249, 76203735), (261, 72700115), (279, 68009785), (415, 45722241), (435, 43620069), (465, 40805871), (747, 25401245), (899, 21106485), (1245, 15240747), (1305, 14540023), (1395, 13601957), (2407, 7883145), (2573, 7374555), (2697, 7035495), (3735, 5080249), (4495, 4221297), (5651, 3357765), (7221, 2627715), (7719, 2458185), (8091, 2345165), (12035, 1576629), (12865, 1474911), (13485, 1407099), (16953, 1119255), (21663, 875905), (23157, 819395), (28255, 671553), (36105, 525543), (38595, 491637), (40455, 469033), (50859, 373085), (74617, 254295), (84765, 223851), (108315, 175181), (115785, 163879)]