18969796

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 33909120

約数和(自身を除く): 14939324

約数列:

[1, 2, 4, 79, 158, 173, 316, 346, 347, 692, 694, 1388, 13667, 27334, 27413, 54668, 54826, 60031, 109652, 120062, 240124, 4742449, 9484898, 18969796]

約数ペア:

[(1, 18969796), (2, 9484898), (4, 4742449), (79, 240124), (158, 120062), (173, 109652), (316, 60031), (346, 54826), (347, 54668), (692, 27413), (694, 27334), (1388, 13667)]