19936518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1847}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 45771264

約数和(自身を除く): 25834746

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 1847, 3598, 3694, 5397, 5541, 10794, 11082, 12929, 25858, 38787, 77574, 474679, 949358, 1424037, 2848074, 3322753, 6645506, 9968259, 19936518]

約数ペア:

[(1, 19936518), (2, 9968259), (3, 6645506), (6, 3322753), (7, 2848074), (14, 1424037), (21, 949358), (42, 474679), (257, 77574), (514, 38787), (771, 25858), (1542, 12929), (1799, 11082), (1847, 10794), (3598, 5541), (3694, 5397)]