18892251

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5261}}^1$

素因数の和:5296

約数の個数: 32

約数和(自身を含む): 33676800

約数和(自身を除く): 14784549

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5261, 15783, 36827, 47349, 99959, 110481, 142047, 299877, 331443, 699713, 899631, 994329, 2099139, 2698893, 6297417, 18892251]

約数ペア:

[(1, 18892251), (3, 6297417), (7, 2698893), (9, 2099139), (19, 994329), (21, 899631), (27, 699713), (57, 331443), (63, 299877), (133, 142047), (171, 110481), (189, 99959), (399, 47349), (513, 36827), (1197, 15783), (3591, 5261)]