19221480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 63180000

約数和(自身を除く): 43958520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 107, 120, 180, 214, 321, 360, 428, 499, 535, 642, 856, 963, 998, 1070, 1284, 1497, 1605, 1926, 1996, 2140, 2495, 2568, 2994, 3210, 3852, 3992, 4280, 4491, 4815, 4990, 5988, 6420, 7485, 7704, 8982, 9630, 9980, 11976, 12840, 14970, 17964, 19260, 19960, 22455, 29940, 35928, 38520, 44910, 53393, 59880, 89820, 106786, 160179, 179640, 213572, 266965, 320358, 427144, 480537, 533930, 640716, 800895, 961074, 1067860, 1281432, 1601790, 1922148, 2135720, 2402685, 3203580, 3844296, 4805370, 6407160, 9610740, 19221480]

約数ペア:

[(1, 19221480), (2, 9610740), (3, 6407160), (4, 4805370), (5, 3844296), (6, 3203580), (8, 2402685), (9, 2135720), (10, 1922148), (12, 1601790), (15, 1281432), (18, 1067860), (20, 961074), (24, 800895), (30, 640716), (36, 533930), (40, 480537), (45, 427144), (60, 320358), (72, 266965), (90, 213572), (107, 179640), (120, 160179), (180, 106786), (214, 89820), (321, 59880), (360, 53393), (428, 44910), (499, 38520), (535, 35928), (642, 29940), (856, 22455), (963, 19960), (998, 19260), (1070, 17964), (1284, 14970), (1497, 12840), (1605, 11976), (1926, 9980), (1996, 9630), (2140, 8982), (2495, 7704), (2568, 7485), (2994, 6420), (3210, 5988), (3852, 4990), (3992, 4815), (4280, 4491)]