19839400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 54282240

約数和(自身を除く): 34442840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 100, 140, 148, 175, 185, 200, 259, 280, 296, 350, 370, 383, 518, 700, 740, 766, 925, 1036, 1295, 1400, 1480, 1532, 1850, 1915, 2072, 2590, 2681, 3064, 3700, 3830, 5180, 5362, 6475, 7400, 7660, 9575, 10360, 10724, 12950, 13405, 14171, 15320, 19150, 21448, 25900, 26810, 28342, 38300, 51800, 53620, 56684, 67025, 70855, 76600, 99197, 107240, 113368, 134050, 141710, 198394, 268100, 283420, 354275, 396788, 495985, 536200, 566840, 708550, 793576, 991970, 1417100, 1983940, 2479925, 2834200, 3967880, 4959850, 9919700, 19839400]

約数ペア:

[(1, 19839400), (2, 9919700), (4, 4959850), (5, 3967880), (7, 2834200), (8, 2479925), (10, 1983940), (14, 1417100), (20, 991970), (25, 793576), (28, 708550), (35, 566840), (37, 536200), (40, 495985), (50, 396788), (56, 354275), (70, 283420), (74, 268100), (100, 198394), (140, 141710), (148, 134050), (175, 113368), (185, 107240), (200, 99197), (259, 76600), (280, 70855), (296, 67025), (350, 56684), (370, 53620), (383, 51800), (518, 38300), (700, 28342), (740, 26810), (766, 25900), (925, 21448), (1036, 19150), (1295, 15320), (1400, 14171), (1480, 13405), (1532, 12950), (1850, 10724), (1915, 10360), (2072, 9575), (2590, 7660), (2681, 7400), (3064, 6475), (3700, 5362), (3830, 5180)]