18969288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 51522240

約数和(自身を除く): 32552952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 163, 312, 326, 373, 489, 652, 746, 978, 1119, 1304, 1492, 1956, 2119, 2238, 2984, 3912, 4238, 4476, 4849, 6357, 8476, 8952, 9698, 12714, 14547, 16952, 19396, 25428, 29094, 38792, 50856, 58188, 60799, 116376, 121598, 182397, 243196, 364794, 486392, 729588, 790387, 1459176, 1580774, 2371161, 3161548, 4742322, 6323096, 9484644, 18969288]

約数ペア:

[(1, 18969288), (2, 9484644), (3, 6323096), (4, 4742322), (6, 3161548), (8, 2371161), (12, 1580774), (13, 1459176), (24, 790387), (26, 729588), (39, 486392), (52, 364794), (78, 243196), (104, 182397), (156, 121598), (163, 116376), (312, 60799), (326, 58188), (373, 50856), (489, 38792), (652, 29094), (746, 25428), (978, 19396), (1119, 16952), (1304, 14547), (1492, 12714), (1956, 9698), (2119, 8952), (2238, 8476), (2984, 6357), (3912, 4849), (4238, 4476)]