19345520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3061}}^1$

素因数の和:3153

約数の個数: 40

約数和(自身を含む): 45562560

約数和(自身を除く): 26217040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3061, 3160, 6122, 6320, 12244, 15305, 24488, 30610, 48976, 61220, 122440, 241819, 244880, 483638, 967276, 1209095, 1934552, 2418190, 3869104, 4836380, 9672760, 19345520]

約数ペア:

[(1, 19345520), (2, 9672760), (4, 4836380), (5, 3869104), (8, 2418190), (10, 1934552), (16, 1209095), (20, 967276), (40, 483638), (79, 244880), (80, 241819), (158, 122440), (316, 61220), (395, 48976), (632, 30610), (790, 24488), (1264, 15305), (1580, 12244), (3061, 6320), (3160, 6122)]