19081600

素因数分解:

$2^7\times 5^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 48378600

約数和(自身を除く): 29297000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 89, 100, 128, 134, 160, 178, 200, 268, 320, 335, 356, 400, 445, 536, 640, 670, 712, 800, 890, 1072, 1340, 1424, 1600, 1675, 1780, 2144, 2225, 2680, 2848, 3200, 3350, 3560, 4288, 4450, 5360, 5696, 5963, 6700, 7120, 8576, 8900, 10720, 11392, 11926, 13400, 14240, 17800, 21440, 23852, 26800, 28480, 29815, 35600, 42880, 47704, 53600, 56960, 59630, 71200, 95408, 107200, 119260, 142400, 149075, 190816, 214400, 238520, 284800, 298150, 381632, 477040, 596300, 763264, 954080, 1192600, 1908160, 2385200, 3816320, 4770400, 9540800, 19081600]

約数ペア:

[(1, 19081600), (2, 9540800), (4, 4770400), (5, 3816320), (8, 2385200), (10, 1908160), (16, 1192600), (20, 954080), (25, 763264), (32, 596300), (40, 477040), (50, 381632), (64, 298150), (67, 284800), (80, 238520), (89, 214400), (100, 190816), (128, 149075), (134, 142400), (160, 119260), (178, 107200), (200, 95408), (268, 71200), (320, 59630), (335, 56960), (356, 53600), (400, 47704), (445, 42880), (536, 35600), (640, 29815), (670, 28480), (712, 26800), (800, 23852), (890, 21440), (1072, 17800), (1340, 14240), (1424, 13400), (1600, 11926), (1675, 11392), (1780, 10720), (2144, 8900), (2225, 8576), (2680, 7120), (2848, 6700), (3200, 5963), (3350, 5696), (3560, 5360), (4288, 4450)]