15919964

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 28440720

約数和(自身を除く): 12520756

約数列:

[1, 2, 4, 89, 178, 197, 227, 356, 394, 454, 788, 908, 17533, 20203, 35066, 40406, 44719, 70132, 80812, 89438, 178876, 3979991, 7959982, 15919964]

約数ペア:

[(1, 15919964), (2, 7959982), (4, 3979991), (89, 178876), (178, 89438), (197, 80812), (227, 70132), (356, 44719), (394, 40406), (454, 35066), (788, 20203), (908, 17533)]