19747749650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7451981}}^1$

素因数の和:7452046

約数の個数: 24

約数和(自身を含む): 37423853604

約数和(自身を除く): 17676103954

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7451981, 14903962, 37259905, 74519810, 186299525, 372599050, 394954993, 789909986, 1974774965, 3949549930, 9873874825, 19747749650]

約数ペア:

[(1, 19747749650), (2, 9873874825), (5, 3949549930), (10, 1974774965), (25, 789909986), (50, 394954993), (53, 372599050), (106, 186299525), (265, 74519810), (530, 37259905), (1325, 14903962), (2650, 7451981)]