18978112

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{15607}}^1$

素因数の和:15638

約数の個数: 28

約数和(自身を含む): 39644320

約数和(自身を除く): 20666208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 15607, 31214, 62428, 124856, 249712, 296533, 499424, 593066, 998848, 1186132, 2372264, 4744528, 9489056, 18978112]

約数ペア:

[(1, 18978112), (2, 9489056), (4, 4744528), (8, 2372264), (16, 1186132), (19, 998848), (32, 593066), (38, 499424), (64, 296533), (76, 249712), (152, 124856), (304, 62428), (608, 31214), (1216, 15607)]