18948897

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 56

約数和(自身を含む): 33052320

約数和(自身を除く): 14103423

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 139, 153, 187, 243, 297, 417, 459, 561, 729, 891, 1251, 1377, 1529, 1683, 2363, 2673, 3753, 4131, 4587, 5049, 7089, 8019, 11259, 12393, 13761, 15147, 21267, 25993, 33777, 41283, 45441, 63801, 77979, 101331, 123849, 136323, 191403, 233937, 371547, 574209, 701811, 1114641, 1722627, 2105433, 6316299, 18948897]

約数ペア:

[(1, 18948897), (3, 6316299), (9, 2105433), (11, 1722627), (17, 1114641), (27, 701811), (33, 574209), (51, 371547), (81, 233937), (99, 191403), (139, 136323), (153, 123849), (187, 101331), (243, 77979), (297, 63801), (417, 45441), (459, 41283), (561, 33777), (729, 25993), (891, 21267), (1251, 15147), (1377, 13761), (1529, 12393), (1683, 11259), (2363, 8019), (2673, 7089), (3753, 5049), (4131, 4587)]