18559989

素因数分解:

$3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{347}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 31626240

約数和(自身を除く): 13066251

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 283, 347, 849, 1041, 1981, 2429, 2547, 3123, 5943, 7287, 7641, 9369, 17829, 21861, 53487, 65583, 98201, 294603, 687407, 883809, 2062221, 2651427, 6186663, 18559989]

約数ペア:

[(1, 18559989), (3, 6186663), (7, 2651427), (9, 2062221), (21, 883809), (27, 687407), (63, 294603), (189, 98201), (283, 65583), (347, 53487), (849, 21861), (1041, 17829), (1981, 9369), (2429, 7641), (2547, 7287), (3123, 5943)]