19846120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70879}}^1$

素因数の和:70897

約数の個数: 32

約数和(自身を含む): 51033600

約数和(自身を除く): 31187480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70879, 141758, 283516, 354395, 496153, 567032, 708790, 992306, 1417580, 1984612, 2480765, 2835160, 3969224, 4961530, 9923060, 19846120]

約数ペア:

[(1, 19846120), (2, 9923060), (4, 4961530), (5, 3969224), (7, 2835160), (8, 2480765), (10, 1984612), (14, 1417580), (20, 992306), (28, 708790), (35, 567032), (40, 496153), (56, 354395), (70, 283516), (140, 141758), (280, 70879)]