18502680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22027}}^1$

素因数の和:22048

約数の個数: 64

約数和(自身を含む): 63440640

約数和(自身を除く): 44937960

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, 22027, 44054, 66081, 88108, 110135, 132162, 154189, 176216, 220270, 264324, 308378, 330405, 440540, 462567, 528648, 616756, 660810, 770945, 881080, 925134, 1233512, 1321620, 1541890, 1850268, 2312835, 2643240, 3083780, 3700536, 4625670, 6167560, 9251340, 18502680]

約数ペア:

[(1, 18502680), (2, 9251340), (3, 6167560), (4, 4625670), (5, 3700536), (6, 3083780), (7, 2643240), (8, 2312835), (10, 1850268), (12, 1541890), (14, 1321620), (15, 1233512), (20, 925134), (21, 881080), (24, 770945), (28, 660810), (30, 616756), (35, 528648), (40, 462567), (42, 440540), (56, 330405), (60, 308378), (70, 264324), (84, 220270), (105, 176216), (120, 154189), (140, 132162), (168, 110135), (210, 88108), (280, 66081), (420, 44054), (840, 22027)]