18858440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27733}}^1$

素因数の和:27761

約数の個数: 32

約数和(自身を含む): 44929080

約数和(自身を除く): 26070640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27733, 55466, 110932, 138665, 221864, 277330, 471461, 554660, 942922, 1109320, 1885844, 2357305, 3771688, 4714610, 9429220, 18858440]

約数ペア:

[(1, 18858440), (2, 9429220), (4, 4714610), (5, 3771688), (8, 2357305), (10, 1885844), (17, 1109320), (20, 942922), (34, 554660), (40, 471461), (68, 277330), (85, 221864), (136, 138665), (170, 110932), (340, 55466), (680, 27733)]