17980930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5273}}^1$

素因数の和:5322

約数の個数: 32

約数和(自身を含む): 36453888

約数和(自身を除く): 18472958

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 5273, 10546, 26365, 52730, 58003, 116006, 163463, 290015, 326926, 580030, 817315, 1634630, 1798093, 3596186, 8990465, 17980930]

約数ペア:

[(1, 17980930), (2, 8990465), (5, 3596186), (10, 1798093), (11, 1634630), (22, 817315), (31, 580030), (55, 326926), (62, 290015), (110, 163463), (155, 116006), (310, 58003), (341, 52730), (682, 26365), (1705, 10546), (3410, 5273)]