17995744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 20530016

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 181, 208, 239, 362, 416, 478, 724, 956, 1448, 1912, 2353, 2896, 3107, 3824, 4706, 5792, 6214, 7648, 9412, 12428, 18824, 24856, 37648, 43259, 49712, 75296, 86518, 99424, 173036, 346072, 562367, 692144, 1124734, 1384288, 2249468, 4498936, 8997872, 17995744]

約数ペア:

[(1, 17995744), (2, 8997872), (4, 4498936), (8, 2249468), (13, 1384288), (16, 1124734), (26, 692144), (32, 562367), (52, 346072), (104, 173036), (181, 99424), (208, 86518), (239, 75296), (362, 49712), (416, 43259), (478, 37648), (724, 24856), (956, 18824), (1448, 12428), (1912, 9412), (2353, 7648), (2896, 6214), (3107, 5792), (3824, 4706)]