19461420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9829}}^1$

素因数の和:9855

約数の個数: 72

約数和(自身を含む): 64406160

約数和(自身を除く): 44944740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9829, 19658, 29487, 39316, 49145, 58974, 88461, 98290, 108119, 117948, 147435, 176922, 196580, 216238, 294870, 324357, 353844, 432476, 442305, 540595, 589740, 648714, 884610, 973071, 1081190, 1297428, 1621785, 1769220, 1946142, 2162380, 3243570, 3892284, 4865355, 6487140, 9730710, 19461420]

約数ペア:

[(1, 19461420), (2, 9730710), (3, 6487140), (4, 4865355), (5, 3892284), (6, 3243570), (9, 2162380), (10, 1946142), (11, 1769220), (12, 1621785), (15, 1297428), (18, 1081190), (20, 973071), (22, 884610), (30, 648714), (33, 589740), (36, 540595), (44, 442305), (45, 432476), (55, 353844), (60, 324357), (66, 294870), (90, 216238), (99, 196580), (110, 176922), (132, 147435), (165, 117948), (180, 108119), (198, 98290), (220, 88461), (330, 58974), (396, 49145), (495, 39316), (660, 29487), (990, 19658), (1980, 9829)]