19842916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1663}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 36807680

約数和(自身を除く): 16964764

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 1663, 2983, 3326, 5966, 6652, 11932, 31597, 63194, 126388, 261091, 522182, 1044364, 4960729, 9921458, 19842916]

約数ペア:

[(1, 19842916), (2, 9921458), (4, 4960729), (19, 1044364), (38, 522182), (76, 261091), (157, 126388), (314, 63194), (628, 31597), (1663, 11932), (2983, 6652), (3326, 5966)]