18120850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 37604736

約数和(自身を除く): 19483886

約数列:

[1, 2, 5, 10, 11, 22, 25, 47, 50, 55, 94, 110, 235, 275, 470, 517, 550, 701, 1034, 1175, 1402, 2350, 2585, 3505, 5170, 7010, 7711, 12925, 15422, 17525, 25850, 32947, 35050, 38555, 65894, 77110, 164735, 192775, 329470, 362417, 385550, 724834, 823675, 1647350, 1812085, 3624170, 9060425, 18120850]

約数ペア:

[(1, 18120850), (2, 9060425), (5, 3624170), (10, 1812085), (11, 1647350), (22, 823675), (25, 724834), (47, 385550), (50, 362417), (55, 329470), (94, 192775), (110, 164735), (235, 77110), (275, 65894), (470, 38555), (517, 35050), (550, 32947), (701, 25850), (1034, 17525), (1175, 15422), (1402, 12925), (2350, 7711), (2585, 7010), (3505, 5170)]