19430229

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 32241664

約数和(自身を除く): 12811435

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 691, 721, 1339, 2073, 2163, 4017, 4837, 8983, 9373, 14511, 26949, 28119, 62881, 71173, 188643, 213519, 498211, 925249, 1494633, 2775747, 6476743, 19430229]

約数ペア:

[(1, 19430229), (3, 6476743), (7, 2775747), (13, 1494633), (21, 925249), (39, 498211), (91, 213519), (103, 188643), (273, 71173), (309, 62881), (691, 28119), (721, 26949), (1339, 14511), (2073, 9373), (2163, 8983), (4017, 4837)]