18311447

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 23712912

約数和(自身を除く): 5401465

約数列:

[1, 7, 11, 49, 53, 77, 371, 539, 583, 641, 2597, 4081, 4487, 7051, 28567, 31409, 33973, 49357, 237811, 345499, 373703, 1664677, 2615921, 18311447]

約数ペア:

[(1, 18311447), (7, 2615921), (11, 1664677), (49, 373703), (53, 345499), (77, 237811), (371, 49357), (539, 33973), (583, 31409), (641, 28567), (2597, 7051), (4081, 4487)]