18642328

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 18371432

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 568, 1427, 1633, 2854, 3266, 5708, 6532, 11416, 13064, 32821, 65642, 101317, 131284, 202634, 262568, 405268, 810536, 2330291, 4660582, 9321164, 18642328]

約数ペア:

[(1, 18642328), (2, 9321164), (4, 4660582), (8, 2330291), (23, 810536), (46, 405268), (71, 262568), (92, 202634), (142, 131284), (184, 101317), (284, 65642), (568, 32821), (1427, 13064), (1633, 11416), (2854, 6532), (3266, 5708)]