18615165

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12903555

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 237, 345, 395, 683, 1185, 1817, 2049, 3415, 5451, 9085, 10245, 15709, 27255, 47127, 53957, 78545, 161871, 235635, 269785, 809355, 1241011, 3723033, 6205055, 18615165]

約数ペア:

[(1, 18615165), (3, 6205055), (5, 3723033), (15, 1241011), (23, 809355), (69, 269785), (79, 235635), (115, 161871), (237, 78545), (345, 53957), (395, 47127), (683, 27255), (1185, 15709), (1817, 10245), (2049, 9085), (3415, 5451)]