18527925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 34108928

約数和(自身を除く): 15581003

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 613, 775, 975, 1209, 1839, 2015, 2325, 3065, 6045, 7969, 9195, 10075, 15325, 19003, 23907, 30225, 39845, 45975, 57009, 95015, 119535, 199225, 247039, 285045, 475075, 597675, 741117, 1235195, 1425225, 3705585, 6175975, 18527925]

約数ペア:

[(1, 18527925), (3, 6175975), (5, 3705585), (13, 1425225), (15, 1235195), (25, 741117), (31, 597675), (39, 475075), (65, 285045), (75, 247039), (93, 199225), (155, 119535), (195, 95015), (325, 57009), (403, 45975), (465, 39845), (613, 30225), (775, 23907), (975, 19003), (1209, 15325), (1839, 10075), (2015, 9195), (2325, 7969), (3065, 6045)]