19974042

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 47511360

約数和(自身を除く): 27537318

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 281, 359, 562, 718, 843, 1077, 1686, 2154, 2529, 3091, 3231, 3949, 5058, 6182, 6462, 7898, 9273, 11847, 18546, 23694, 27819, 35541, 55638, 71082, 100879, 201758, 302637, 605274, 907911, 1109669, 1815822, 2219338, 3329007, 6658014, 9987021, 19974042]

約数ペア:

[(1, 19974042), (2, 9987021), (3, 6658014), (6, 3329007), (9, 2219338), (11, 1815822), (18, 1109669), (22, 907911), (33, 605274), (66, 302637), (99, 201758), (198, 100879), (281, 71082), (359, 55638), (562, 35541), (718, 27819), (843, 23694), (1077, 18546), (1686, 11847), (2154, 9273), (2529, 7898), (3091, 6462), (3231, 6182), (3949, 5058)]