18223890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20947}}^1$

素因数の和:20986

約数の個数: 32

約数和(自身を含む): 45247680

約数和(自身を除く): 27023790

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 20947, 41894, 62841, 104735, 125682, 209470, 314205, 607463, 628410, 1214926, 1822389, 3037315, 3644778, 6074630, 9111945, 18223890]

約数ペア:

[(1, 18223890), (2, 9111945), (3, 6074630), (5, 3644778), (6, 3037315), (10, 1822389), (15, 1214926), (29, 628410), (30, 607463), (58, 314205), (87, 209470), (145, 125682), (174, 104735), (290, 62841), (435, 41894), (870, 20947)]