18876416

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 40704300

約数和(自身を除く): 21827884

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 709, 832, 1024, 1418, 1664, 2048, 2836, 3328, 5672, 6656, 9217, 11344, 13312, 18434, 22688, 26624, 36868, 45376, 73736, 90752, 147472, 181504, 294944, 363008, 589888, 726016, 1179776, 1452032, 2359552, 4719104, 9438208, 18876416]

約数ペア:

[(1, 18876416), (2, 9438208), (4, 4719104), (8, 2359552), (13, 1452032), (16, 1179776), (26, 726016), (32, 589888), (52, 363008), (64, 294944), (104, 181504), (128, 147472), (208, 90752), (256, 73736), (416, 45376), (512, 36868), (709, 26624), (832, 22688), (1024, 18434), (1418, 13312), (1664, 11344), (2048, 9217), (2836, 6656), (3328, 5672)]