18638916

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{25463}}^1$

素因数の和:25531

約数の個数: 24

約数和(自身を含む): 44205504

約数和(自身を除く): 25566588

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 25463, 50926, 76389, 101852, 152778, 305556, 1553243, 3106486, 4659729, 6212972, 9319458, 18638916]

約数ペア:

[(1, 18638916), (2, 9319458), (3, 6212972), (4, 4659729), (6, 3106486), (12, 1553243), (61, 305556), (122, 152778), (183, 101852), (244, 76389), (366, 50926), (732, 25463)]