18950120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67679}}^1$

素因数の和:67697

約数の個数: 32

約数和(自身を含む): 48729600

約数和(自身を除く): 29779480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67679, 135358, 270716, 338395, 473753, 541432, 676790, 947506, 1353580, 1895012, 2368765, 2707160, 3790024, 4737530, 9475060, 18950120]

約数ペア:

[(1, 18950120), (2, 9475060), (4, 4737530), (5, 3790024), (7, 2707160), (8, 2368765), (10, 1895012), (14, 1353580), (20, 947506), (28, 676790), (35, 541432), (40, 473753), (56, 338395), (70, 270716), (140, 135358), (280, 67679)]