19976052

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 49053312

約数和(自身を除く): 29077260

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 157, 276, 314, 461, 471, 628, 922, 942, 1383, 1844, 1884, 2766, 3611, 5532, 7222, 10603, 10833, 14444, 21206, 21666, 31809, 42412, 43332, 63618, 72377, 127236, 144754, 217131, 289508, 434262, 868524, 1664671, 3329342, 4994013, 6658684, 9988026, 19976052]

約数ペア:

[(1, 19976052), (2, 9988026), (3, 6658684), (4, 4994013), (6, 3329342), (12, 1664671), (23, 868524), (46, 434262), (69, 289508), (92, 217131), (138, 144754), (157, 127236), (276, 72377), (314, 63618), (461, 43332), (471, 42412), (628, 31809), (922, 21666), (942, 21206), (1383, 14444), (1844, 10833), (1884, 10603), (2766, 7222), (3611, 5532)]