19973384

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1487}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 39640320

約数和(自身を除く): 19666936

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 146, 184, 292, 584, 1487, 1679, 2974, 3358, 5948, 6716, 11896, 13432, 34201, 68402, 108551, 136804, 217102, 273608, 434204, 868408, 2496673, 4993346, 9986692, 19973384]

約数ペア:

[(1, 19973384), (2, 9986692), (4, 4993346), (8, 2496673), (23, 868408), (46, 434204), (73, 273608), (92, 217102), (146, 136804), (184, 108551), (292, 68402), (584, 34201), (1487, 13432), (1679, 11896), (2974, 6716), (3358, 5948)]