19503057

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 11831343

約数列:

[1, 3, 7, 21, 23, 69, 149, 161, 271, 447, 483, 813, 1043, 1897, 3129, 3427, 5691, 6233, 10281, 18699, 23989, 40379, 43631, 71967, 121137, 130893, 282653, 847959, 928717, 2786151, 6501019, 19503057]

約数ペア:

[(1, 19503057), (3, 6501019), (7, 2786151), (21, 928717), (23, 847959), (69, 282653), (149, 130893), (161, 121137), (271, 71967), (447, 43631), (483, 40379), (813, 23989), (1043, 18699), (1897, 10281), (3129, 6233), (3427, 5691)]