15954490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 30507840

約数和(自身を除く): 14553350

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 641, 655, 1282, 1310, 2489, 3205, 4978, 6410, 12179, 12445, 24358, 24890, 60895, 83971, 121790, 167942, 419855, 839710, 1595449, 3190898, 7977245, 15954490]

約数ペア:

[(1, 15954490), (2, 7977245), (5, 3190898), (10, 1595449), (19, 839710), (38, 419855), (95, 167942), (131, 121790), (190, 83971), (262, 60895), (641, 24890), (655, 24358), (1282, 12445), (1310, 12179), (2489, 6410), (3205, 4978)]