18979998

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{102043}}^1$

素因数の和:102079

約数の個数: 16

約数和(自身を含む): 39184896

約数和(自身を除く): 20204898

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 102043, 204086, 306129, 612258, 3163333, 6326666, 9489999, 18979998]

約数ペア:

[(1, 18979998), (2, 9489999), (3, 6326666), (6, 3163333), (31, 612258), (62, 306129), (93, 204086), (186, 102043)]