19871838

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{52571}}^1$

素因数の和:52589

約数の個数: 32

約数和(自身を含む): 50469120

約数和(自身を除く): 30597282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 52571, 105142, 157713, 315426, 367997, 473139, 735994, 946278, 1103991, 1419417, 2207982, 2838834, 3311973, 6623946, 9935919, 19871838]

約数ペア:

[(1, 19871838), (2, 9935919), (3, 6623946), (6, 3311973), (7, 2838834), (9, 2207982), (14, 1419417), (18, 1103991), (21, 946278), (27, 735994), (42, 473139), (54, 367997), (63, 315426), (126, 157713), (189, 105142), (378, 52571)]