19350128

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{877}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 43113312

約数和(自身を除く): 23763184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 877, 1379, 1576, 1754, 2758, 3152, 3508, 5516, 6139, 7016, 11032, 12278, 14032, 22064, 24556, 49112, 98224, 172769, 345538, 691076, 1209383, 1382152, 2418766, 2764304, 4837532, 9675064, 19350128]

約数ペア:

[(1, 19350128), (2, 9675064), (4, 4837532), (7, 2764304), (8, 2418766), (14, 1382152), (16, 1209383), (28, 691076), (56, 345538), (112, 172769), (197, 98224), (394, 49112), (788, 24556), (877, 22064), (1379, 14032), (1576, 12278), (1754, 11032), (2758, 7016), (3152, 6139), (3508, 5516)]