18677680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33353}}^1$

素因数の和:33373

約数の個数: 40

約数和(自身を含む): 49630752

約数和(自身を除く): 30953072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33353, 66706, 133412, 166765, 233471, 266824, 333530, 466942, 533648, 667060, 933884, 1167355, 1334120, 1867768, 2334710, 2668240, 3735536, 4669420, 9338840, 18677680]

約数ペア:

[(1, 18677680), (2, 9338840), (4, 4669420), (5, 3735536), (7, 2668240), (8, 2334710), (10, 1867768), (14, 1334120), (16, 1167355), (20, 933884), (28, 667060), (35, 533648), (40, 466942), (56, 333530), (70, 266824), (80, 233471), (112, 166765), (140, 133412), (280, 66706), (560, 33353)]