18744117

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2713}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 29702016

約数和(自身を除く): 10957899

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 2713, 6909, 8139, 18991, 56973, 127511, 132937, 382533, 398811, 892577, 2677731, 6248039, 18744117]

約数ペア:

[(1, 18744117), (3, 6248039), (7, 2677731), (21, 892577), (47, 398811), (49, 382533), (141, 132937), (147, 127511), (329, 56973), (987, 18991), (2303, 8139), (2713, 6909)]