18258918

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 41513472

約数和(自身を除く): 23254554

約数列:

[1, 2, 3, 6, 17, 23, 34, 43, 46, 51, 69, 86, 102, 129, 138, 181, 258, 362, 391, 543, 731, 782, 989, 1086, 1173, 1462, 1978, 2193, 2346, 2967, 3077, 4163, 4386, 5934, 6154, 7783, 8326, 9231, 12489, 15566, 16813, 18462, 23349, 24978, 33626, 46698, 50439, 70771, 100878, 132311, 141542, 179009, 212313, 264622, 358018, 396933, 424626, 537027, 793866, 1074054, 3043153, 6086306, 9129459, 18258918]

約数ペア:

[(1, 18258918), (2, 9129459), (3, 6086306), (6, 3043153), (17, 1074054), (23, 793866), (34, 537027), (43, 424626), (46, 396933), (51, 358018), (69, 264622), (86, 212313), (102, 179009), (129, 141542), (138, 132311), (181, 100878), (258, 70771), (362, 50439), (391, 46698), (543, 33626), (731, 24978), (782, 23349), (989, 18462), (1086, 16813), (1173, 15566), (1462, 12489), (1978, 9231), (2193, 8326), (2346, 7783), (2967, 6154), (3077, 5934), (4163, 4386)]