19813890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1871}}^1$

素因数の和:2234

約数の個数: 32

約数和(自身を含む): 47713536

約数和(自身を除く): 27899646

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 353, 706, 1059, 1765, 1871, 2118, 3530, 3742, 5295, 5613, 9355, 10590, 11226, 18710, 28065, 56130, 660463, 1320926, 1981389, 3302315, 3962778, 6604630, 9906945, 19813890]

約数ペア:

[(1, 19813890), (2, 9906945), (3, 6604630), (5, 3962778), (6, 3302315), (10, 1981389), (15, 1320926), (30, 660463), (353, 56130), (706, 28065), (1059, 18710), (1765, 11226), (1871, 10590), (2118, 9355), (3530, 5613), (3742, 5295)]