18703360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:319

約数の個数: 88

約数和(自身を含む): 48489336

約数和(自身を除く): 29785976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 281, 320, 416, 512, 520, 562, 640, 832, 1024, 1040, 1124, 1280, 1405, 1664, 2080, 2248, 2560, 2810, 3328, 3653, 4160, 4496, 5120, 5620, 6656, 7306, 8320, 8992, 11240, 13312, 14612, 16640, 17984, 18265, 22480, 29224, 33280, 35968, 36530, 44960, 58448, 66560, 71936, 73060, 89920, 116896, 143872, 146120, 179840, 233792, 287744, 292240, 359680, 467584, 584480, 719360, 935168, 1168960, 1438720, 1870336, 2337920, 3740672, 4675840, 9351680, 18703360]

約数ペア:

[(1, 18703360), (2, 9351680), (4, 4675840), (5, 3740672), (8, 2337920), (10, 1870336), (13, 1438720), (16, 1168960), (20, 935168), (26, 719360), (32, 584480), (40, 467584), (52, 359680), (64, 292240), (65, 287744), (80, 233792), (104, 179840), (128, 146120), (130, 143872), (160, 116896), (208, 89920), (256, 73060), (260, 71936), (281, 66560), (320, 58448), (416, 44960), (512, 36530), (520, 35968), (562, 33280), (640, 29224), (832, 22480), (1024, 18265), (1040, 17984), (1124, 16640), (1280, 14612), (1405, 13312), (1664, 11240), (2080, 8992), (2248, 8320), (2560, 7306), (2810, 6656), (3328, 5620), (3653, 5120), (4160, 4496)]