18417778

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 28153440

約数和(自身を除く): 9735662

約数列:

[1, 2, 97, 139, 194, 278, 683, 1366, 13483, 26966, 66251, 94937, 132502, 189874, 9208889, 18417778]

約数ペア:

[(1, 18417778), (2, 9208889), (97, 189874), (139, 132502), (194, 94937), (278, 66251), (683, 26966), (1366, 13483)]