18672498

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 45467520

約数和(自身を除く): 26795022

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 67, 78, 117, 134, 201, 234, 351, 397, 402, 603, 702, 794, 871, 1191, 1206, 1742, 1809, 2382, 2613, 3573, 3618, 5161, 5226, 7146, 7839, 10322, 10719, 15483, 15678, 21438, 23517, 26599, 30966, 46449, 47034, 53198, 79797, 92898, 139347, 159594, 239391, 278694, 345787, 478782, 691574, 718173, 1037361, 1436346, 2074722, 3112083, 6224166, 9336249, 18672498]

約数ペア:

[(1, 18672498), (2, 9336249), (3, 6224166), (6, 3112083), (9, 2074722), (13, 1436346), (18, 1037361), (26, 718173), (27, 691574), (39, 478782), (54, 345787), (67, 278694), (78, 239391), (117, 159594), (134, 139347), (201, 92898), (234, 79797), (351, 53198), (397, 47034), (402, 46449), (603, 30966), (702, 26599), (794, 23517), (871, 21438), (1191, 15678), (1206, 15483), (1742, 10719), (1809, 10322), (2382, 7839), (2613, 7146), (3573, 5226), (3618, 5161)]