18747840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 112

約数和(自身を含む): 60716160

約数和(自身を除く): 41968320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 160, 177, 192, 236, 240, 295, 320, 331, 354, 472, 480, 590, 662, 708, 885, 944, 960, 993, 1180, 1324, 1416, 1655, 1770, 1888, 1986, 2360, 2648, 2832, 3310, 3540, 3776, 3972, 4720, 4965, 5296, 5664, 6620, 7080, 7944, 9440, 9930, 10592, 11328, 13240, 14160, 15888, 18880, 19529, 19860, 21184, 26480, 28320, 31776, 39058, 39720, 52960, 56640, 58587, 63552, 78116, 79440, 97645, 105920, 117174, 156232, 158880, 195290, 234348, 292935, 312464, 317760, 390580, 468696, 585870, 624928, 781160, 937392, 1171740, 1249856, 1562320, 1874784, 2343480, 3124640, 3749568, 4686960, 6249280, 9373920, 18747840]

約数ペア:

[(1, 18747840), (2, 9373920), (3, 6249280), (4, 4686960), (5, 3749568), (6, 3124640), (8, 2343480), (10, 1874784), (12, 1562320), (15, 1249856), (16, 1171740), (20, 937392), (24, 781160), (30, 624928), (32, 585870), (40, 468696), (48, 390580), (59, 317760), (60, 312464), (64, 292935), (80, 234348), (96, 195290), (118, 158880), (120, 156232), (160, 117174), (177, 105920), (192, 97645), (236, 79440), (240, 78116), (295, 63552), (320, 58587), (331, 56640), (354, 52960), (472, 39720), (480, 39058), (590, 31776), (662, 28320), (708, 26480), (885, 21184), (944, 19860), (960, 19529), (993, 18880), (1180, 15888), (1324, 14160), (1416, 13240), (1655, 11328), (1770, 10592), (1888, 9930), (1986, 9440), (2360, 7944), (2648, 7080), (2832, 6620), (3310, 5664), (3540, 5296), (3776, 4965), (3972, 4720)]