19840605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 13613475

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 439, 655, 1317, 1965, 2195, 3013, 6585, 9039, 10097, 15065, 30291, 45195, 50485, 57509, 151455, 172527, 287545, 862635, 1322707, 3968121, 6613535, 19840605]

約数ペア:

[(1, 19840605), (3, 6613535), (5, 3968121), (15, 1322707), (23, 862635), (69, 287545), (115, 172527), (131, 151455), (345, 57509), (393, 50485), (439, 45195), (655, 30291), (1317, 15065), (1965, 10097), (2195, 9039), (3013, 6585)]