19892070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 57417984

約数和(自身を除く): 37525914

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 71, 90, 99, 110, 142, 165, 198, 213, 283, 330, 355, 426, 495, 566, 639, 710, 781, 849, 990, 1065, 1278, 1415, 1562, 1698, 2130, 2343, 2547, 2830, 3113, 3195, 3905, 4245, 4686, 5094, 6226, 6390, 7029, 7810, 8490, 9339, 11715, 12735, 14058, 15565, 18678, 20093, 23430, 25470, 28017, 31130, 35145, 40186, 46695, 56034, 60279, 70290, 93390, 100465, 120558, 140085, 180837, 200930, 221023, 280170, 301395, 361674, 442046, 602790, 663069, 904185, 1105115, 1326138, 1808370, 1989207, 2210230, 3315345, 3978414, 6630690, 9946035, 19892070]

約数ペア:

[(1, 19892070), (2, 9946035), (3, 6630690), (5, 3978414), (6, 3315345), (9, 2210230), (10, 1989207), (11, 1808370), (15, 1326138), (18, 1105115), (22, 904185), (30, 663069), (33, 602790), (45, 442046), (55, 361674), (66, 301395), (71, 280170), (90, 221023), (99, 200930), (110, 180837), (142, 140085), (165, 120558), (198, 100465), (213, 93390), (283, 70290), (330, 60279), (355, 56034), (426, 46695), (495, 40186), (566, 35145), (639, 31130), (710, 28017), (781, 25470), (849, 23430), (990, 20093), (1065, 18678), (1278, 15565), (1415, 14058), (1562, 12735), (1698, 11715), (2130, 9339), (2343, 8490), (2547, 7810), (2830, 7029), (3113, 6390), (3195, 6226), (3905, 5094), (4245, 4686)]