19929784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18731}}^1$

素因数の和:18763

約数の個数: 32

約数和(自身を含む): 44956800

約数和(自身を除く): 25027016

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18731, 37462, 74924, 131117, 149848, 262234, 355889, 524468, 711778, 1048936, 1423556, 2491223, 2847112, 4982446, 9964892, 19929784]

約数ペア:

[(1, 19929784), (2, 9964892), (4, 4982446), (7, 2847112), (8, 2491223), (14, 1423556), (19, 1048936), (28, 711778), (38, 524468), (56, 355889), (76, 262234), (133, 149848), (152, 131117), (266, 74924), (532, 37462), (1064, 18731)]