18037390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 38191824

約数和(自身を除く): 20154434

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 131, 245, 262, 281, 490, 562, 655, 917, 1310, 1405, 1834, 1967, 2810, 3934, 4585, 6419, 9170, 9835, 12838, 13769, 19670, 27538, 32095, 36811, 64190, 68845, 73622, 137690, 184055, 257677, 368110, 515354, 1288385, 1803739, 2576770, 3607478, 9018695, 18037390]

約数ペア:

[(1, 18037390), (2, 9018695), (5, 3607478), (7, 2576770), (10, 1803739), (14, 1288385), (35, 515354), (49, 368110), (70, 257677), (98, 184055), (131, 137690), (245, 73622), (262, 68845), (281, 64190), (490, 36811), (562, 32095), (655, 27538), (917, 19670), (1310, 13769), (1405, 12838), (1834, 9835), (1967, 9170), (2810, 6419), (3934, 4585)]