18916572

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 45968384

約数和(自身を除く): 27051812

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 211, 241, 372, 422, 482, 633, 723, 844, 964, 1266, 1446, 2532, 2892, 6541, 7471, 13082, 14942, 19623, 22413, 26164, 29884, 39246, 44826, 50851, 78492, 89652, 101702, 152553, 203404, 305106, 610212, 1576381, 3152762, 4729143, 6305524, 9458286, 18916572]

約数ペア:

[(1, 18916572), (2, 9458286), (3, 6305524), (4, 4729143), (6, 3152762), (12, 1576381), (31, 610212), (62, 305106), (93, 203404), (124, 152553), (186, 101702), (211, 89652), (241, 78492), (372, 50851), (422, 44826), (482, 39246), (633, 29884), (723, 26164), (844, 22413), (964, 19623), (1266, 14942), (1446, 13082), (2532, 7471), (2892, 6541)]