18719520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 96

約数和(自身を含む): 60056640

約数和(自身を除く): 41337120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 80, 96, 118, 120, 160, 177, 236, 240, 295, 354, 472, 480, 590, 661, 708, 885, 944, 1180, 1322, 1416, 1770, 1888, 1983, 2360, 2644, 2832, 3305, 3540, 3966, 4720, 5288, 5664, 6610, 7080, 7932, 9440, 9915, 10576, 13220, 14160, 15864, 19830, 21152, 26440, 28320, 31728, 38999, 39660, 52880, 63456, 77998, 79320, 105760, 116997, 155996, 158640, 194995, 233994, 311992, 317280, 389990, 467988, 584985, 623984, 779980, 935976, 1169970, 1247968, 1559960, 1871952, 2339940, 3119920, 3743904, 4679880, 6239840, 9359760, 18719520]

約数ペア:

[(1, 18719520), (2, 9359760), (3, 6239840), (4, 4679880), (5, 3743904), (6, 3119920), (8, 2339940), (10, 1871952), (12, 1559960), (15, 1247968), (16, 1169970), (20, 935976), (24, 779980), (30, 623984), (32, 584985), (40, 467988), (48, 389990), (59, 317280), (60, 311992), (80, 233994), (96, 194995), (118, 158640), (120, 155996), (160, 116997), (177, 105760), (236, 79320), (240, 77998), (295, 63456), (354, 52880), (472, 39660), (480, 38999), (590, 31728), (661, 28320), (708, 26440), (885, 21152), (944, 19830), (1180, 15864), (1322, 14160), (1416, 13220), (1770, 10576), (1888, 9915), (1983, 9440), (2360, 7932), (2644, 7080), (2832, 6610), (3305, 5664), (3540, 5288), (3966, 4720)]