19934604

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3527}}^1$

素因数の和:3694

約数の個数: 36

約数和(自身を含む): 50725584

約数和(自身を除く): 30790980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3527, 5652, 7054, 10581, 14108, 21162, 31743, 42324, 63486, 126972, 553739, 1107478, 1661217, 2214956, 3322434, 4983651, 6644868, 9967302, 19934604]

約数ペア:

[(1, 19934604), (2, 9967302), (3, 6644868), (4, 4983651), (6, 3322434), (9, 2214956), (12, 1661217), (18, 1107478), (36, 553739), (157, 126972), (314, 63486), (471, 42324), (628, 31743), (942, 21162), (1413, 14108), (1884, 10581), (2826, 7054), (3527, 5652)]