18810813

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{16901}}^1$

素因数の和:16964

約数の個数: 16

約数和(自身を含む): 29206656

約数和(自身を除く): 10395843

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 16901, 50703, 118307, 354921, 895753, 2687259, 6270271, 18810813]

約数ペア:

[(1, 18810813), (3, 6270271), (7, 2687259), (21, 895753), (53, 354921), (159, 118307), (371, 50703), (1113, 16901)]