19063964

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 36664320

約数和(自身を除く): 17600356

約数列:

[1, 2, 4, 23, 43, 46, 61, 79, 86, 92, 122, 158, 172, 244, 316, 989, 1403, 1817, 1978, 2623, 2806, 3397, 3634, 3956, 4819, 5246, 5612, 6794, 7268, 9638, 10492, 13588, 19276, 60329, 78131, 110837, 120658, 156262, 207217, 221674, 241316, 312524, 414434, 443348, 828868, 4765991, 9531982, 19063964]

約数ペア:

[(1, 19063964), (2, 9531982), (4, 4765991), (23, 828868), (43, 443348), (46, 414434), (61, 312524), (79, 241316), (86, 221674), (92, 207217), (122, 156262), (158, 120658), (172, 110837), (244, 78131), (316, 60329), (989, 19276), (1403, 13588), (1817, 10492), (1978, 9638), (2623, 7268), (2806, 6794), (3397, 5612), (3634, 5246), (3956, 4819)]