18442664639

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{21467}}^1$

素因数の和:21767

約数の個数: 24

約数和(自身を含む): 21805906320

約数和(自身を除く): 3363241681

約数列:

[1, 7, 49, 89, 197, 623, 1379, 4361, 9653, 17533, 21467, 122731, 150269, 859117, 1051883, 1910563, 4228999, 13373941, 29602993, 93617587, 207220951, 376380911, 2634666377, 18442664639]

約数ペア:

[(1, 18442664639), (7, 2634666377), (49, 376380911), (89, 207220951), (197, 93617587), (623, 29602993), (1379, 13373941), (4361, 4228999), (9653, 1910563), (17533, 1051883), (21467, 859117), (122731, 150269)]