19353025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 24998400

約数和(自身を除く): 5645375

約数列:

[1, 5, 25, 41, 79, 205, 239, 395, 1025, 1195, 1975, 3239, 5975, 9799, 16195, 18881, 48995, 80975, 94405, 244975, 472025, 774121, 3870605, 19353025]

約数ペア:

[(1, 19353025), (5, 3870605), (25, 774121), (41, 472025), (79, 244975), (205, 94405), (239, 80975), (395, 48995), (1025, 18881), (1195, 16195), (1975, 9799), (3239, 5975)]