18068560

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3371}}^1$

素因数の和:3451

約数の個数: 40

約数和(自身を含む): 42649056

約数和(自身を除く): 24580496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3371, 5360, 6742, 13484, 16855, 26968, 33710, 53936, 67420, 134840, 225857, 269680, 451714, 903428, 1129285, 1806856, 2258570, 3613712, 4517140, 9034280, 18068560]

約数ペア:

[(1, 18068560), (2, 9034280), (4, 4517140), (5, 3613712), (8, 2258570), (10, 1806856), (16, 1129285), (20, 903428), (40, 451714), (67, 269680), (80, 225857), (134, 134840), (268, 67420), (335, 53936), (536, 33710), (670, 26968), (1072, 16855), (1340, 13484), (2680, 6742), (3371, 5360)]