18286830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 49377600

約数和(自身を除く): 31090770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 89, 90, 135, 178, 267, 270, 445, 534, 761, 801, 890, 1335, 1522, 1602, 2283, 2403, 2670, 3805, 4005, 4566, 4806, 6849, 7610, 8010, 11415, 12015, 13698, 20547, 22830, 24030, 34245, 41094, 67729, 68490, 102735, 135458, 203187, 205470, 338645, 406374, 609561, 677290, 1015935, 1219122, 1828683, 2031870, 3047805, 3657366, 6095610, 9143415, 18286830]

約数ペア:

[(1, 18286830), (2, 9143415), (3, 6095610), (5, 3657366), (6, 3047805), (9, 2031870), (10, 1828683), (15, 1219122), (18, 1015935), (27, 677290), (30, 609561), (45, 406374), (54, 338645), (89, 205470), (90, 203187), (135, 135458), (178, 102735), (267, 68490), (270, 67729), (445, 41094), (534, 34245), (761, 24030), (801, 22830), (890, 20547), (1335, 13698), (1522, 12015), (1602, 11415), (2283, 8010), (2403, 7610), (2670, 6849), (3805, 4806), (4005, 4566)]