19380675

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3271}}^1$

素因数の和:3363

約数の個数: 24

約数和(自身を含む): 32458240

約数和(自身を除く): 13077565

約数列:

[1, 3, 5, 15, 25, 75, 79, 237, 395, 1185, 1975, 3271, 5925, 9813, 16355, 49065, 81775, 245325, 258409, 775227, 1292045, 3876135, 6460225, 19380675]

約数ペア:

[(1, 19380675), (3, 6460225), (5, 3876135), (15, 1292045), (25, 775227), (75, 258409), (79, 245325), (237, 81775), (395, 49065), (1185, 16355), (1975, 9813), (3271, 5925)]