19617992

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 18467128

約数列:

[1, 2, 4, 8, 37, 74, 148, 191, 296, 347, 382, 694, 764, 1388, 1528, 2776, 7067, 12839, 14134, 25678, 28268, 51356, 56536, 66277, 102712, 132554, 265108, 530216, 2452249, 4904498, 9808996, 19617992]

約数ペア:

[(1, 19617992), (2, 9808996), (4, 4904498), (8, 2452249), (37, 530216), (74, 265108), (148, 132554), (191, 102712), (296, 66277), (347, 56536), (382, 51356), (694, 28268), (764, 25678), (1388, 14134), (1528, 12839), (2776, 7067)]