19399419

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 56

約数和(自身を含む): 33052320

約数和(自身を除く): 13652901

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 89, 117, 207, 243, 267, 299, 351, 621, 729, 801, 897, 1053, 1157, 1863, 2047, 2403, 2691, 3159, 3471, 5589, 6141, 7209, 8073, 9477, 10413, 16767, 18423, 21627, 24219, 26611, 31239, 55269, 64881, 72657, 79833, 93717, 165807, 217971, 239499, 281151, 497421, 718497, 843453, 1492263, 2155491, 6466473, 19399419]

約数ペア:

[(1, 19399419), (3, 6466473), (9, 2155491), (13, 1492263), (23, 843453), (27, 718497), (39, 497421), (69, 281151), (81, 239499), (89, 217971), (117, 165807), (207, 93717), (243, 79833), (267, 72657), (299, 64881), (351, 55269), (621, 31239), (729, 26611), (801, 24219), (897, 21627), (1053, 18423), (1157, 16767), (1863, 10413), (2047, 9477), (2403, 8073), (2691, 7209), (3159, 6141), (3471, 5589)]