19496458

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 12132854

約数列:

[1, 2, 31, 43, 62, 71, 86, 103, 142, 206, 1333, 2201, 2666, 3053, 3193, 4402, 4429, 6106, 6386, 7313, 8858, 14626, 94643, 137299, 189286, 226703, 274598, 314459, 453406, 628918, 9748229, 19496458]

約数ペア:

[(1, 19496458), (2, 9748229), (31, 628918), (43, 453406), (62, 314459), (71, 274598), (86, 226703), (103, 189286), (142, 137299), (206, 94643), (1333, 14626), (2201, 8858), (2666, 7313), (3053, 6386), (3193, 6106), (4402, 4429)]