19752564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 50075648

約数和(自身を除く): 30323084

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 997, 1524, 1651, 1994, 2991, 3302, 3988, 4953, 5982, 6604, 9906, 11964, 12961, 19812, 25922, 38883, 51844, 77766, 126619, 155532, 253238, 379857, 506476, 759714, 1519428, 1646047, 3292094, 4938141, 6584188, 9876282, 19752564]

約数ペア:

[(1, 19752564), (2, 9876282), (3, 6584188), (4, 4938141), (6, 3292094), (12, 1646047), (13, 1519428), (26, 759714), (39, 506476), (52, 379857), (78, 253238), (127, 155532), (156, 126619), (254, 77766), (381, 51844), (508, 38883), (762, 25922), (997, 19812), (1524, 12961), (1651, 11964), (1994, 9906), (2991, 6604), (3302, 5982), (3988, 4953)]