19917090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:453

約数の個数: 80

約数和(自身を含む): 54502272

約数和(自身を除く): 34585182

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 81, 90, 134, 135, 162, 201, 270, 335, 367, 402, 405, 603, 670, 734, 810, 1005, 1101, 1206, 1809, 1835, 2010, 2202, 3015, 3303, 3618, 3670, 5427, 5505, 6030, 6606, 9045, 9909, 10854, 11010, 16515, 18090, 19818, 24589, 27135, 29727, 33030, 49178, 49545, 54270, 59454, 73767, 99090, 122945, 147534, 148635, 221301, 245890, 297270, 368835, 442602, 663903, 737670, 1106505, 1327806, 1991709, 2213010, 3319515, 3983418, 6639030, 9958545, 19917090]

約数ペア:

[(1, 19917090), (2, 9958545), (3, 6639030), (5, 3983418), (6, 3319515), (9, 2213010), (10, 1991709), (15, 1327806), (18, 1106505), (27, 737670), (30, 663903), (45, 442602), (54, 368835), (67, 297270), (81, 245890), (90, 221301), (134, 148635), (135, 147534), (162, 122945), (201, 99090), (270, 73767), (335, 59454), (367, 54270), (402, 49545), (405, 49178), (603, 33030), (670, 29727), (734, 27135), (810, 24589), (1005, 19818), (1101, 18090), (1206, 16515), (1809, 11010), (1835, 10854), (2010, 9909), (2202, 9045), (3015, 6606), (3303, 6030), (3618, 5505), (3670, 5427)]