19042331

素因数分解:

$7^5\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 24470784

約数和(自身を除く): 5428453

約数列:

[1, 7, 11, 49, 77, 103, 343, 539, 721, 1133, 2401, 3773, 5047, 7931, 16807, 26411, 35329, 55517, 184877, 247303, 388619, 1731121, 2720333, 19042331]

約数ペア:

[(1, 19042331), (7, 2720333), (11, 1731121), (49, 388619), (77, 247303), (103, 184877), (343, 55517), (539, 35329), (721, 26411), (1133, 16807), (2401, 7931), (3773, 5047)]