18854942342

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{311951}}^1$

素因数の和:312643

約数の個数: 16

約数和(自身を含む): 28929180672

約数和(自身を除く): 10074238330

約数列:

[1, 2, 47, 94, 643, 1286, 30221, 60442, 311951, 623902, 14661697, 29323394, 200584493, 401168986, 9427471171, 18854942342]

約数ペア:

[(1, 18854942342), (2, 9427471171), (47, 401168986), (94, 200584493), (643, 29323394), (1286, 14661697), (30221, 623902), (60442, 311951)]