19995392

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{2111}}^1$

素因数の和:2164

約数の個数: 36

約数和(自身を含む): 41010816

約数和(自身を除く): 21015424

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 592, 1184, 2111, 2368, 4222, 4736, 8444, 9472, 16888, 33776, 67552, 78107, 135104, 156214, 270208, 312428, 540416, 624856, 1249712, 2499424, 4998848, 9997696, 19995392]

約数ペア:

[(1, 19995392), (2, 9997696), (4, 4998848), (8, 2499424), (16, 1249712), (32, 624856), (37, 540416), (64, 312428), (74, 270208), (128, 156214), (148, 135104), (256, 78107), (296, 67552), (592, 33776), (1184, 16888), (2111, 9472), (2368, 8444), (4222, 4736)]