19240380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 58858800

約数和(自身を除く): 39618420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 769, 834, 1251, 1390, 1538, 1668, 2085, 2307, 2502, 2780, 3076, 3845, 4170, 4614, 5004, 6255, 6921, 7690, 8340, 9228, 11535, 12510, 13842, 15380, 23070, 25020, 27684, 34605, 46140, 69210, 106891, 138420, 213782, 320673, 427564, 534455, 641346, 962019, 1068910, 1282692, 1603365, 1924038, 2137820, 3206730, 3848076, 4810095, 6413460, 9620190, 19240380]

約数ペア:

[(1, 19240380), (2, 9620190), (3, 6413460), (4, 4810095), (5, 3848076), (6, 3206730), (9, 2137820), (10, 1924038), (12, 1603365), (15, 1282692), (18, 1068910), (20, 962019), (30, 641346), (36, 534455), (45, 427564), (60, 320673), (90, 213782), (139, 138420), (180, 106891), (278, 69210), (417, 46140), (556, 34605), (695, 27684), (769, 25020), (834, 23070), (1251, 15380), (1390, 13842), (1538, 12510), (1668, 11535), (2085, 9228), (2307, 8340), (2502, 7690), (2780, 6921), (3076, 6255), (3845, 5004), (4170, 4614)]