19805032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6143}}^1$

素因数の和:6193

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 21482648

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6143, 12286, 24572, 49144, 79859, 159718, 190433, 319436, 380866, 638872, 761732, 1523464, 2475629, 4951258, 9902516, 19805032]

約数ペア:

[(1, 19805032), (2, 9902516), (4, 4951258), (8, 2475629), (13, 1523464), (26, 761732), (31, 638872), (52, 380866), (62, 319436), (104, 190433), (124, 159718), (248, 79859), (403, 49144), (806, 24572), (1612, 12286), (3224, 6143)]