18069280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3643}}^1$

素因数の和:3689

約数の個数: 48

約数和(自身を含む): 44077824

約数和(自身を除く): 26008544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3643, 4960, 7286, 14572, 18215, 29144, 36430, 58288, 72860, 112933, 116576, 145720, 225866, 291440, 451732, 564665, 582880, 903464, 1129330, 1806928, 2258660, 3613856, 4517320, 9034640, 18069280]

約数ペア:

[(1, 18069280), (2, 9034640), (4, 4517320), (5, 3613856), (8, 2258660), (10, 1806928), (16, 1129330), (20, 903464), (31, 582880), (32, 564665), (40, 451732), (62, 291440), (80, 225866), (124, 145720), (155, 116576), (160, 112933), (248, 72860), (310, 58288), (496, 36430), (620, 29144), (992, 18215), (1240, 14572), (2480, 7286), (3643, 4960)]