19079697

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 31997952

約数和(自身を除く): 12918255

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1487, 1833, 4277, 4461, 10409, 12831, 19331, 31227, 57993, 69889, 135317, 209667, 405951, 489223, 908557, 1467669, 2725671, 6359899, 19079697]

約数ペア:

[(1, 19079697), (3, 6359899), (7, 2725671), (13, 1467669), (21, 908557), (39, 489223), (47, 405951), (91, 209667), (141, 135317), (273, 69889), (329, 57993), (611, 31227), (987, 19331), (1487, 12831), (1833, 10409), (4277, 4461)]