18796860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 60618096

約数和(自身を除く): 41821236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 108, 123, 135, 162, 164, 180, 205, 246, 270, 283, 324, 369, 405, 410, 492, 540, 566, 615, 738, 810, 820, 849, 1107, 1132, 1230, 1415, 1476, 1620, 1698, 1845, 2214, 2460, 2547, 2830, 3321, 3396, 3690, 4245, 4428, 5094, 5535, 5660, 6642, 7380, 7641, 8490, 10188, 11070, 11603, 12735, 13284, 15282, 16605, 16980, 22140, 22923, 23206, 25470, 30564, 33210, 34809, 38205, 45846, 46412, 50940, 58015, 66420, 69618, 76410, 91692, 104427, 114615, 116030, 139236, 152820, 174045, 208854, 229230, 232060, 313281, 348090, 417708, 458460, 522135, 626562, 696180, 939843, 1044270, 1253124, 1566405, 1879686, 2088540, 3132810, 3759372, 4699215, 6265620, 9398430, 18796860]

約数ペア:

[(1, 18796860), (2, 9398430), (3, 6265620), (4, 4699215), (5, 3759372), (6, 3132810), (9, 2088540), (10, 1879686), (12, 1566405), (15, 1253124), (18, 1044270), (20, 939843), (27, 696180), (30, 626562), (36, 522135), (41, 458460), (45, 417708), (54, 348090), (60, 313281), (81, 232060), (82, 229230), (90, 208854), (108, 174045), (123, 152820), (135, 139236), (162, 116030), (164, 114615), (180, 104427), (205, 91692), (246, 76410), (270, 69618), (283, 66420), (324, 58015), (369, 50940), (405, 46412), (410, 45846), (492, 38205), (540, 34809), (566, 33210), (615, 30564), (738, 25470), (810, 23206), (820, 22923), (849, 22140), (1107, 16980), (1132, 16605), (1230, 15282), (1415, 13284), (1476, 12735), (1620, 11603), (1698, 11070), (1845, 10188), (2214, 8490), (2460, 7641), (2547, 7380), (2830, 6642), (3321, 5660), (3396, 5535), (3690, 5094), (4245, 4428)]