19237600

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:332

約数の個数: 72

約数和(自身を含む): 47575080

約数和(自身を除く): 28337480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 173, 200, 278, 346, 400, 556, 692, 695, 800, 865, 1112, 1384, 1390, 1730, 2224, 2768, 2780, 3460, 3475, 4325, 4448, 5536, 5560, 6920, 6950, 8650, 11120, 13840, 13900, 17300, 22240, 24047, 27680, 27800, 34600, 48094, 55600, 69200, 96188, 111200, 120235, 138400, 192376, 240470, 384752, 480940, 601175, 769504, 961880, 1202350, 1923760, 2404700, 3847520, 4809400, 9618800, 19237600]

約数ペア:

[(1, 19237600), (2, 9618800), (4, 4809400), (5, 3847520), (8, 2404700), (10, 1923760), (16, 1202350), (20, 961880), (25, 769504), (32, 601175), (40, 480940), (50, 384752), (80, 240470), (100, 192376), (139, 138400), (160, 120235), (173, 111200), (200, 96188), (278, 69200), (346, 55600), (400, 48094), (556, 34600), (692, 27800), (695, 27680), (800, 24047), (865, 22240), (1112, 17300), (1384, 13900), (1390, 13840), (1730, 11120), (2224, 8650), (2768, 6950), (2780, 6920), (3460, 5560), (3475, 5536), (4325, 4448)]