19001640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22621}}^1$

素因数の和:22642

約数の個数: 64

約数和(自身を含む): 65151360

約数和(自身を除く): 46149720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22621, 45242, 67863, 90484, 113105, 135726, 158347, 180968, 226210, 271452, 316694, 339315, 452420, 475041, 542904, 633388, 678630, 791735, 904840, 950082, 1266776, 1357260, 1583470, 1900164, 2375205, 2714520, 3166940, 3800328, 4750410, 6333880, 9500820, 19001640]

約数ペア:

[(1, 19001640), (2, 9500820), (3, 6333880), (4, 4750410), (5, 3800328), (6, 3166940), (7, 2714520), (8, 2375205), (10, 1900164), (12, 1583470), (14, 1357260), (15, 1266776), (20, 950082), (21, 904840), (24, 791735), (28, 678630), (30, 633388), (35, 542904), (40, 475041), (42, 452420), (56, 339315), (60, 316694), (70, 271452), (84, 226210), (105, 180968), (120, 158347), (140, 135726), (168, 113105), (210, 90484), (280, 67863), (420, 45242), (840, 22621)]