18941781

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 25980480

約数和(自身を除く): 7038699

約数列:

[1, 3, 61, 89, 183, 267, 1163, 3489, 5429, 16287, 70943, 103507, 212829, 310521, 6313927, 18941781]

約数ペア:

[(1, 18941781), (3, 6313927), (61, 310521), (89, 212829), (183, 103507), (267, 70943), (1163, 16287), (3489, 5429)]