19801314

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 48209280

約数和(自身を除く): 28407966

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 67, 78, 117, 134, 201, 234, 351, 402, 421, 603, 702, 842, 871, 1206, 1263, 1742, 1809, 2526, 2613, 3618, 3789, 5226, 5473, 7578, 7839, 10946, 11367, 15678, 16419, 22734, 23517, 28207, 32838, 47034, 49257, 56414, 84621, 98514, 147771, 169242, 253863, 295542, 366691, 507726, 733382, 761589, 1100073, 1523178, 2200146, 3300219, 6600438, 9900657, 19801314]

約数ペア:

[(1, 19801314), (2, 9900657), (3, 6600438), (6, 3300219), (9, 2200146), (13, 1523178), (18, 1100073), (26, 761589), (27, 733382), (39, 507726), (54, 366691), (67, 295542), (78, 253863), (117, 169242), (134, 147771), (201, 98514), (234, 84621), (351, 56414), (402, 49257), (421, 47034), (603, 32838), (702, 28207), (842, 23517), (871, 22734), (1206, 16419), (1263, 15678), (1742, 11367), (1809, 10946), (2526, 7839), (2613, 7578), (3618, 5473), (3789, 5226)]