19098880

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 46946592

約数和(自身を除く): 27847712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 347, 430, 640, 688, 694, 860, 1280, 1376, 1388, 1720, 1735, 2752, 2776, 3440, 3470, 5504, 5552, 6880, 6940, 11008, 11104, 13760, 13880, 14921, 22208, 27520, 27760, 29842, 44416, 55040, 55520, 59684, 74605, 88832, 111040, 119368, 149210, 222080, 238736, 298420, 444160, 477472, 596840, 954944, 1193680, 1909888, 2387360, 3819776, 4774720, 9549440, 19098880]

約数ペア:

[(1, 19098880), (2, 9549440), (4, 4774720), (5, 3819776), (8, 2387360), (10, 1909888), (16, 1193680), (20, 954944), (32, 596840), (40, 477472), (43, 444160), (64, 298420), (80, 238736), (86, 222080), (128, 149210), (160, 119368), (172, 111040), (215, 88832), (256, 74605), (320, 59684), (344, 55520), (347, 55040), (430, 44416), (640, 29842), (688, 27760), (694, 27520), (860, 22208), (1280, 14921), (1376, 13880), (1388, 13760), (1720, 11104), (1735, 11008), (2752, 6940), (2776, 6880), (3440, 5552), (3470, 5504)]