18984586

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7121}}^1$

素因数の和:7197

約数の個数: 16

約数和(自身を含む): 30083328

約数和(自身を除く): 11098742

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7121, 14242, 220751, 306203, 441502, 612406, 9492293, 18984586]

約数ペア:

[(1, 18984586), (2, 9492293), (31, 612406), (43, 441502), (62, 306203), (86, 220751), (1333, 14242), (2666, 7121)]