18831218

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 14916622

約数列:

[1, 2, 7, 14, 41, 53, 82, 106, 287, 371, 574, 619, 742, 1238, 2173, 4333, 4346, 8666, 15211, 25379, 30422, 32807, 50758, 65614, 177653, 229649, 355306, 459298, 1345087, 2690174, 9415609, 18831218]

約数ペア:

[(1, 18831218), (2, 9415609), (7, 2690174), (14, 1345087), (41, 459298), (53, 355306), (82, 229649), (106, 177653), (287, 65614), (371, 50758), (574, 32807), (619, 30422), (742, 25379), (1238, 15211), (2173, 8666), (4333, 4346)]