18503680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 48157200

約数和(自身を除く): 29653520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 139, 160, 208, 256, 260, 278, 320, 416, 512, 520, 556, 640, 695, 832, 1024, 1040, 1112, 1280, 1390, 1664, 1807, 2048, 2080, 2224, 2560, 2780, 3328, 3614, 4160, 4448, 5120, 5560, 6656, 7228, 8320, 8896, 9035, 10240, 11120, 13312, 14456, 16640, 17792, 18070, 22240, 26624, 28912, 33280, 35584, 36140, 44480, 57824, 66560, 71168, 72280, 88960, 115648, 133120, 142336, 144560, 177920, 231296, 284672, 289120, 355840, 462592, 578240, 711680, 925184, 1156480, 1423360, 1850368, 2312960, 3700736, 4625920, 9251840, 18503680]

約数ペア:

[(1, 18503680), (2, 9251840), (4, 4625920), (5, 3700736), (8, 2312960), (10, 1850368), (13, 1423360), (16, 1156480), (20, 925184), (26, 711680), (32, 578240), (40, 462592), (52, 355840), (64, 289120), (65, 284672), (80, 231296), (104, 177920), (128, 144560), (130, 142336), (139, 133120), (160, 115648), (208, 88960), (256, 72280), (260, 71168), (278, 66560), (320, 57824), (416, 44480), (512, 36140), (520, 35584), (556, 33280), (640, 28912), (695, 26624), (832, 22240), (1024, 18070), (1040, 17792), (1112, 16640), (1280, 14456), (1390, 13312), (1664, 11120), (1807, 10240), (2048, 9035), (2080, 8896), (2224, 8320), (2560, 7228), (2780, 6656), (3328, 5560), (3614, 5120), (4160, 4448)]