19005980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135757}}^1$

素因数の和:135773

約数の個数: 24

約数和(自身を含む): 45614688

約数和(自身を除く): 26608708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135757, 271514, 543028, 678785, 950299, 1357570, 1900598, 2715140, 3801196, 4751495, 9502990, 19005980]

約数ペア:

[(1, 19005980), (2, 9502990), (4, 4751495), (5, 3801196), (7, 2715140), (10, 1900598), (14, 1357570), (20, 950299), (28, 678785), (35, 543028), (70, 271514), (140, 135757)]