18715162905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{2251}}^1$

素因数の和:2591

約数の個数: 96

約数和(自身を含む): 35159304960

約数和(自身を除く): 16444142055

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 277, 345, 435, 667, 831, 1035, 1305, 1385, 2001, 2251, 2493, 3335, 4155, 6003, 6371, 6753, 8033, 10005, 11255, 12465, 19113, 20259, 24099, 30015, 31855, 33765, 40165, 51773, 57339, 65279, 72297, 95565, 101295, 120495, 155319, 184759, 195837, 258865, 286695, 326395, 361485, 465957, 554277, 587511, 623527, 776595, 923795, 979185, 1501417, 1662831, 1870581, 2329785, 2771385, 2937555, 3117635, 4504251, 5611743, 7507085, 8314155, 9352905, 13512753, 14341121, 18082283, 22521255, 28058715, 43023363, 54246849, 67563765, 71705605, 90411415, 129070089, 162740547, 215116815, 271234245, 415892509, 645350445, 813702735, 1247677527, 2079462545, 3743032581, 6238387635, 18715162905]

約数ペア:

[(1, 18715162905), (3, 6238387635), (5, 3743032581), (9, 2079462545), (15, 1247677527), (23, 813702735), (29, 645350445), (45, 415892509), (69, 271234245), (87, 215116815), (115, 162740547), (145, 129070089), (207, 90411415), (261, 71705605), (277, 67563765), (345, 54246849), (435, 43023363), (667, 28058715), (831, 22521255), (1035, 18082283), (1305, 14341121), (1385, 13512753), (2001, 9352905), (2251, 8314155), (2493, 7507085), (3335, 5611743), (4155, 4504251), (6003, 3117635), (6371, 2937555), (6753, 2771385), (8033, 2329785), (10005, 1870581), (11255, 1662831), (12465, 1501417), (19113, 979185), (20259, 923795), (24099, 776595), (30015, 623527), (31855, 587511), (33765, 554277), (40165, 465957), (51773, 361485), (57339, 326395), (65279, 286695), (72297, 258865), (95565, 195837), (101295, 184759), (120495, 155319)]