19671670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 38607840

約数和(自身を除く): 18936170

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 89, 115, 155, 178, 230, 310, 445, 713, 890, 961, 1426, 1922, 2047, 2759, 3565, 4094, 4805, 5518, 7130, 9610, 10235, 13795, 20470, 22103, 27590, 44206, 63457, 85529, 110515, 126914, 171058, 221030, 317285, 427645, 634570, 855290, 1967167, 3934334, 9835835, 19671670]

約数ペア:

[(1, 19671670), (2, 9835835), (5, 3934334), (10, 1967167), (23, 855290), (31, 634570), (46, 427645), (62, 317285), (89, 221030), (115, 171058), (155, 126914), (178, 110515), (230, 85529), (310, 63457), (445, 44206), (713, 27590), (890, 22103), (961, 20470), (1426, 13795), (1922, 10235), (2047, 9610), (2759, 7130), (3565, 5518), (4094, 4805)]