19308728

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 37454400

約数和(自身を除く): 18145672

約数列:

[1, 2, 4, 8, 47, 89, 94, 178, 188, 356, 376, 577, 712, 1154, 2308, 4183, 4616, 8366, 16732, 27119, 33464, 51353, 54238, 102706, 108476, 205412, 216952, 410824, 2413591, 4827182, 9654364, 19308728]

約数ペア:

[(1, 19308728), (2, 9654364), (4, 4827182), (8, 2413591), (47, 410824), (89, 216952), (94, 205412), (178, 108476), (188, 102706), (356, 54238), (376, 51353), (577, 33464), (712, 27119), (1154, 16732), (2308, 8366), (4183, 4616)]