18647226

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 26591814

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 101, 117, 202, 234, 263, 303, 351, 526, 606, 702, 789, 909, 1313, 1578, 1818, 2367, 2626, 2727, 3419, 3939, 4734, 5454, 6838, 7101, 7878, 10257, 11817, 14202, 20514, 23634, 26563, 30771, 35451, 53126, 61542, 70902, 79689, 92313, 159378, 184626, 239067, 345319, 478134, 690638, 717201, 1035957, 1434402, 2071914, 3107871, 6215742, 9323613, 18647226]

約数ペア:

[(1, 18647226), (2, 9323613), (3, 6215742), (6, 3107871), (9, 2071914), (13, 1434402), (18, 1035957), (26, 717201), (27, 690638), (39, 478134), (54, 345319), (78, 239067), (101, 184626), (117, 159378), (202, 92313), (234, 79689), (263, 70902), (303, 61542), (351, 53126), (526, 35451), (606, 30771), (702, 26563), (789, 23634), (909, 20514), (1313, 14202), (1578, 11817), (1818, 10257), (2367, 7878), (2626, 7101), (2727, 6838), (3419, 5454), (3939, 4734)]