19500208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 27996752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 59, 91, 104, 112, 118, 182, 208, 227, 236, 364, 413, 454, 472, 728, 767, 826, 908, 944, 1456, 1534, 1589, 1652, 1816, 2951, 3068, 3178, 3304, 3632, 5369, 5902, 6136, 6356, 6608, 10738, 11804, 12272, 12712, 13393, 20657, 21476, 23608, 25424, 26786, 41314, 42952, 47216, 53572, 82628, 85904, 93751, 107144, 165256, 174109, 187502, 214288, 330512, 348218, 375004, 696436, 750008, 1218763, 1392872, 1500016, 2437526, 2785744, 4875052, 9750104, 19500208]

約数ペア:

[(1, 19500208), (2, 9750104), (4, 4875052), (7, 2785744), (8, 2437526), (13, 1500016), (14, 1392872), (16, 1218763), (26, 750008), (28, 696436), (52, 375004), (56, 348218), (59, 330512), (91, 214288), (104, 187502), (112, 174109), (118, 165256), (182, 107144), (208, 93751), (227, 85904), (236, 82628), (364, 53572), (413, 47216), (454, 42952), (472, 41314), (728, 26786), (767, 25424), (826, 23608), (908, 21476), (944, 20657), (1456, 13393), (1534, 12712), (1589, 12272), (1652, 11804), (1816, 10738), (2951, 6608), (3068, 6356), (3178, 6136), (3304, 5902), (3632, 5369)]