19171320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 128

約数和(自身を含む): 68083200

約数和(自身を除く): 48911880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 787, 812, 840, 870, 1015, 1160, 1218, 1574, 1624, 1740, 2030, 2361, 2436, 3045, 3148, 3480, 3935, 4060, 4722, 4872, 5509, 6090, 6296, 7870, 8120, 9444, 11018, 11805, 12180, 15740, 16527, 18888, 22036, 22823, 23610, 24360, 27545, 31480, 33054, 44072, 45646, 47220, 55090, 66108, 68469, 82635, 91292, 94440, 110180, 114115, 132216, 136938, 159761, 165270, 182584, 220360, 228230, 273876, 319522, 330540, 342345, 456460, 479283, 547752, 639044, 661080, 684690, 798805, 912920, 958566, 1278088, 1369380, 1597610, 1917132, 2396415, 2738760, 3195220, 3834264, 4792830, 6390440, 9585660, 19171320]

約数ペア:

[(1, 19171320), (2, 9585660), (3, 6390440), (4, 4792830), (5, 3834264), (6, 3195220), (7, 2738760), (8, 2396415), (10, 1917132), (12, 1597610), (14, 1369380), (15, 1278088), (20, 958566), (21, 912920), (24, 798805), (28, 684690), (29, 661080), (30, 639044), (35, 547752), (40, 479283), (42, 456460), (56, 342345), (58, 330540), (60, 319522), (70, 273876), (84, 228230), (87, 220360), (105, 182584), (116, 165270), (120, 159761), (140, 136938), (145, 132216), (168, 114115), (174, 110180), (203, 94440), (210, 91292), (232, 82635), (280, 68469), (290, 66108), (348, 55090), (406, 47220), (420, 45646), (435, 44072), (580, 33054), (609, 31480), (696, 27545), (787, 24360), (812, 23610), (840, 22823), (870, 22036), (1015, 18888), (1160, 16527), (1218, 15740), (1574, 12180), (1624, 11805), (1740, 11018), (2030, 9444), (2361, 8120), (2436, 7870), (3045, 6296), (3148, 6090), (3480, 5509), (3935, 4872), (4060, 4722)]