18443889

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 29072000

約数和(自身を除く): 10628111

約数列:

[1, 3, 9, 19, 27, 57, 157, 171, 229, 471, 513, 687, 1413, 2061, 2983, 4239, 4351, 6183, 8949, 13053, 26847, 35953, 39159, 80541, 107859, 117477, 323577, 683107, 970731, 2049321, 6147963, 18443889]

約数ペア:

[(1, 18443889), (3, 6147963), (9, 2049321), (19, 970731), (27, 683107), (57, 323577), (157, 117477), (171, 107859), (229, 80541), (471, 39159), (513, 35953), (687, 26847), (1413, 13053), (2061, 8949), (2983, 6183), (4239, 4351)]