18642120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22193}}^1$

素因数の和:22214

約数の個数: 64

約数和(自身を含む): 63918720

約数和(自身を除く): 45276600

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, 22193, 44386, 66579, 88772, 110965, 133158, 155351, 177544, 221930, 266316, 310702, 332895, 443860, 466053, 532632, 621404, 665790, 776755, 887720, 932106, 1242808, 1331580, 1553510, 1864212, 2330265, 2663160, 3107020, 3728424, 4660530, 6214040, 9321060, 18642120]

約数ペア:

[(1, 18642120), (2, 9321060), (3, 6214040), (4, 4660530), (5, 3728424), (6, 3107020), (7, 2663160), (8, 2330265), (10, 1864212), (12, 1553510), (14, 1331580), (15, 1242808), (20, 932106), (21, 887720), (24, 776755), (28, 665790), (30, 621404), (35, 532632), (40, 466053), (42, 443860), (56, 332895), (60, 310702), (70, 266316), (84, 221930), (105, 177544), (120, 155351), (140, 133158), (168, 110965), (210, 88772), (280, 66579), (420, 44386), (840, 22193)]