18540483

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 27988800

約数和(自身を除く): 9448317

約数列:

[1, 3, 13, 29, 39, 87, 97, 169, 291, 377, 507, 1131, 1261, 2197, 2813, 3783, 4901, 6591, 8439, 14703, 16393, 36569, 49179, 63713, 109707, 191139, 213109, 475397, 639327, 1426191, 6180161, 18540483]

約数ペア:

[(1, 18540483), (3, 6180161), (13, 1426191), (29, 639327), (39, 475397), (87, 213109), (97, 191139), (169, 109707), (291, 63713), (377, 49179), (507, 36569), (1131, 16393), (1261, 14703), (2197, 8439), (2813, 6591), (3783, 4901)]