18131670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6947}}^1$

素因数の和:6989

約数の個数: 48

約数和(自身を含む): 48774960

約数和(自身を除く): 30643290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 6947, 13894, 20841, 34735, 41682, 62523, 69470, 104205, 125046, 201463, 208410, 312615, 402926, 604389, 625230, 1007315, 1208778, 1813167, 2014630, 3021945, 3626334, 6043890, 9065835, 18131670]

約数ペア:

[(1, 18131670), (2, 9065835), (3, 6043890), (5, 3626334), (6, 3021945), (9, 2014630), (10, 1813167), (15, 1208778), (18, 1007315), (29, 625230), (30, 604389), (45, 402926), (58, 312615), (87, 208410), (90, 201463), (145, 125046), (174, 104205), (261, 69470), (290, 62523), (435, 41682), (522, 34735), (870, 20841), (1305, 13894), (2610, 6947)]