19675904

素因数分解:

$2^8\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 39612720

約数和(自身を除く): 19936816

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 256, 302, 509, 604, 1018, 1208, 2036, 2416, 4072, 4832, 8144, 9664, 16288, 19328, 32576, 38656, 65152, 76859, 130304, 153718, 307436, 614872, 1229744, 2459488, 4918976, 9837952, 19675904]

約数ペア:

[(1, 19675904), (2, 9837952), (4, 4918976), (8, 2459488), (16, 1229744), (32, 614872), (64, 307436), (128, 153718), (151, 130304), (256, 76859), (302, 65152), (509, 38656), (604, 32576), (1018, 19328), (1208, 16288), (2036, 9664), (2416, 8144), (4072, 4832)]