19601784

素因数分解:

$2^3\times 3^3\times {\mathrm{90749}}^1$

素因数の和:90764

約数の個数: 32

約数和(自身を含む): 54450000

約数和(自身を除く): 34848216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 90749, 181498, 272247, 362996, 544494, 725992, 816741, 1088988, 1633482, 2177976, 2450223, 3266964, 4900446, 6533928, 9800892, 19601784]

約数ペア:

[(1, 19601784), (2, 9800892), (3, 6533928), (4, 4900446), (6, 3266964), (8, 2450223), (9, 2177976), (12, 1633482), (18, 1088988), (24, 816741), (27, 725992), (36, 544494), (54, 362996), (72, 272247), (108, 181498), (216, 90749)]