19907586

素因数分解:

$2^1\times 3^3\times {\mathrm{487}}^1\times {\mathrm{757}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 44388480

約数和(自身を除く): 24480894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 487, 757, 974, 1461, 1514, 2271, 2922, 4383, 4542, 6813, 8766, 13149, 13626, 20439, 26298, 40878, 368659, 737318, 1105977, 2211954, 3317931, 6635862, 9953793, 19907586]

約数ペア:

[(1, 19907586), (2, 9953793), (3, 6635862), (6, 3317931), (9, 2211954), (18, 1105977), (27, 737318), (54, 368659), (487, 40878), (757, 26298), (974, 20439), (1461, 13626), (1514, 13149), (2271, 8766), (2922, 6813), (4383, 4542)]