19978296

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{64033}}^1$

素因数の和:64055

約数の個数: 32

約数和(自身を含む): 53788560

約数和(自身を除く): 33810264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 64033, 128066, 192099, 256132, 384198, 512264, 768396, 832429, 1536792, 1664858, 2497287, 3329716, 4994574, 6659432, 9989148, 19978296]

約数ペア:

[(1, 19978296), (2, 9989148), (3, 6659432), (4, 4994574), (6, 3329716), (8, 2497287), (12, 1664858), (13, 1536792), (24, 832429), (26, 768396), (39, 512264), (52, 384198), (78, 256132), (104, 192099), (156, 128066), (312, 64033)]