19803392

素因数分解:

$2^8\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 46406976

約数和(自身を除く): 26603584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 256, 257, 301, 344, 448, 514, 602, 688, 896, 1028, 1204, 1376, 1792, 1799, 2056, 2408, 2752, 3598, 4112, 4816, 5504, 7196, 8224, 9632, 11008, 11051, 14392, 16448, 19264, 22102, 28784, 32896, 38528, 44204, 57568, 65792, 77056, 77357, 88408, 115136, 154714, 176816, 230272, 309428, 353632, 460544, 618856, 707264, 1237712, 1414528, 2475424, 2829056, 4950848, 9901696, 19803392]

約数ペア:

[(1, 19803392), (2, 9901696), (4, 4950848), (7, 2829056), (8, 2475424), (14, 1414528), (16, 1237712), (28, 707264), (32, 618856), (43, 460544), (56, 353632), (64, 309428), (86, 230272), (112, 176816), (128, 154714), (172, 115136), (224, 88408), (256, 77357), (257, 77056), (301, 65792), (344, 57568), (448, 44204), (514, 38528), (602, 32896), (688, 28784), (896, 22102), (1028, 19264), (1204, 16448), (1376, 14392), (1792, 11051), (1799, 11008), (2056, 9632), (2408, 8224), (2752, 7196), (3598, 5504), (4112, 4816)]