18200925

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2030

約数の個数: 36

約数和(自身を含む): 33411924

約数和(自身を除く): 15210999

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 1973, 3075, 5919, 9225, 9865, 17757, 29595, 49325, 80893, 88785, 147975, 242679, 404465, 443925, 728037, 1213395, 2022325, 3640185, 6066975, 18200925]

約数ペア:

[(1, 18200925), (3, 6066975), (5, 3640185), (9, 2022325), (15, 1213395), (25, 728037), (41, 443925), (45, 404465), (75, 242679), (123, 147975), (205, 88785), (225, 80893), (369, 49325), (615, 29595), (1025, 17757), (1845, 9865), (1973, 9225), (3075, 5919)]