19016320

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 46585440

約数和(自身を除く): 27569120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 691, 860, 1376, 1382, 1720, 2752, 2764, 3440, 3455, 5504, 5528, 6880, 6910, 11056, 13760, 13820, 22112, 27520, 27640, 29713, 44224, 55280, 59426, 88448, 110560, 118852, 148565, 221120, 237704, 297130, 442240, 475408, 594260, 950816, 1188520, 1901632, 2377040, 3803264, 4754080, 9508160, 19016320]

約数ペア:

[(1, 19016320), (2, 9508160), (4, 4754080), (5, 3803264), (8, 2377040), (10, 1901632), (16, 1188520), (20, 950816), (32, 594260), (40, 475408), (43, 442240), (64, 297130), (80, 237704), (86, 221120), (128, 148565), (160, 118852), (172, 110560), (215, 88448), (320, 59426), (344, 55280), (430, 44224), (640, 29713), (688, 27640), (691, 27520), (860, 22112), (1376, 13820), (1382, 13760), (1720, 11056), (2752, 6910), (2764, 6880), (3440, 5528), (3455, 5504)]