19702428

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38183}}^1$

素因数の和:38233

約数の個数: 24

約数和(自身を含む): 47042688

約数和(自身を除く): 27340260

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38183, 76366, 114549, 152732, 229098, 458196, 1641869, 3283738, 4925607, 6567476, 9851214, 19702428]

約数ペア:

[(1, 19702428), (2, 9851214), (3, 6567476), (4, 4925607), (6, 3283738), (12, 1641869), (43, 458196), (86, 229098), (129, 152732), (172, 114549), (258, 76366), (516, 38183)]