18883892

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 33846792

約数和(自身を除く): 14962900

約数列:

[1, 2, 4, 61, 122, 193, 244, 386, 401, 772, 802, 1604, 11773, 23546, 24461, 47092, 48922, 77393, 97844, 154786, 309572, 4720973, 9441946, 18883892]

約数ペア:

[(1, 18883892), (2, 9441946), (4, 4720973), (61, 309572), (122, 154786), (193, 97844), (244, 77393), (386, 48922), (401, 47092), (772, 24461), (802, 23546), (1604, 11773)]