18984710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 36052992

約数和(自身を除く): 17068282

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 235, 310, 470, 1303, 1457, 2606, 2914, 6515, 7285, 13030, 14570, 40393, 61241, 80786, 122482, 201965, 306205, 403930, 612410, 1898471, 3796942, 9492355, 18984710]

約数ペア:

[(1, 18984710), (2, 9492355), (5, 3796942), (10, 1898471), (31, 612410), (47, 403930), (62, 306205), (94, 201965), (155, 122482), (235, 80786), (310, 61241), (470, 40393), (1303, 14570), (1457, 13030), (2606, 7285), (2914, 6515)]