19788045009

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{433}}^1\times {\mathrm{2357}}^1$

素因数の和:3097

約数の個数: 32

約数和(自身を含む): 27704726784

約数和(自身を除く): 7916681775

約数列:

[1, 3, 23, 69, 281, 433, 843, 1299, 2357, 6463, 7071, 9959, 19389, 29877, 54211, 121673, 162633, 365019, 662317, 1020581, 1986951, 2798479, 3061743, 8395437, 15233291, 23473363, 45699873, 70420089, 286783261, 860349783, 6596015003, 19788045009]

約数ペア:

[(1, 19788045009), (3, 6596015003), (23, 860349783), (69, 286783261), (281, 70420089), (433, 45699873), (843, 23473363), (1299, 15233291), (2357, 8395437), (6463, 3061743), (7071, 2798479), (9959, 1986951), (19389, 1020581), (29877, 662317), (54211, 365019), (121673, 162633)]