19904304602

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{503983}}^1$

素因数の和:504043

約数の個数: 48

約数和(自身を含む): 38609206272

約数和(自身を除く): 18704901670

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 637, 806, 1274, 1519, 2821, 3038, 5642, 19747, 39494, 503983, 1007966, 3527881, 6551779, 7055762, 13103558, 15623473, 24695167, 31246946, 45862453, 49390334, 91724906, 109364311, 203105149, 218728622, 321037171, 406210298, 642074342, 765550177, 1421736043, 1531100354, 2843472086, 9952152301, 19904304602]

約数ペア:

[(1, 19904304602), (2, 9952152301), (7, 2843472086), (13, 1531100354), (14, 1421736043), (26, 765550177), (31, 642074342), (49, 406210298), (62, 321037171), (91, 218728622), (98, 203105149), (182, 109364311), (217, 91724906), (403, 49390334), (434, 45862453), (637, 31246946), (806, 24695167), (1274, 15623473), (1519, 13103558), (2821, 7055762), (3038, 6551779), (5642, 3527881), (19747, 1007966), (39494, 503983)]