19884490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 37008576

約数和(自身を除く): 17124086

約数列:

[1, 2, 5, 10, 43, 86, 131, 215, 262, 353, 430, 655, 706, 1310, 1765, 3530, 5633, 11266, 15179, 28165, 30358, 46243, 56330, 75895, 92486, 151790, 231215, 462430, 1988449, 3976898, 9942245, 19884490]

約数ペア:

[(1, 19884490), (2, 9942245), (5, 3976898), (10, 1988449), (43, 462430), (86, 231215), (131, 151790), (215, 92486), (262, 75895), (353, 56330), (430, 46243), (655, 30358), (706, 28165), (1310, 15179), (1765, 11266), (3530, 5633)]