18900858

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4481}}^1$

素因数の和:4542

約数の個数: 32

約数和(自身を含む): 40875840

約数和(自身を除く): 21974982

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 111, 114, 222, 703, 1406, 2109, 4218, 4481, 8962, 13443, 26886, 85139, 165797, 170278, 255417, 331594, 497391, 510834, 994782, 3150143, 6300286, 9450429, 18900858]

約数ペア:

[(1, 18900858), (2, 9450429), (3, 6300286), (6, 3150143), (19, 994782), (37, 510834), (38, 497391), (57, 331594), (74, 255417), (111, 170278), (114, 165797), (222, 85139), (703, 26886), (1406, 13443), (2109, 8962), (4218, 4481)]