19157229

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 37078272

約数和(自身を除く): 17921043

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 63, 69, 81, 91, 113, 117, 161, 189, 207, 273, 299, 339, 351, 483, 567, 621, 791, 819, 897, 1017, 1053, 1449, 1469, 1863, 2093, 2373, 2457, 2599, 2691, 3051, 4347, 4407, 6279, 7119, 7371, 7797, 8073, 9153, 10283, 13041, 13221, 18193, 18837, 21357, 23391, 24219, 30849, 33787, 39663, 54579, 56511, 64071, 70173, 92547, 101361, 118989, 163737, 169533, 210519, 236509, 277641, 304083, 491211, 709527, 832923, 912249, 1473633, 2128581, 2736747, 6385743, 19157229]

約数ペア:

[(1, 19157229), (3, 6385743), (7, 2736747), (9, 2128581), (13, 1473633), (21, 912249), (23, 832923), (27, 709527), (39, 491211), (63, 304083), (69, 277641), (81, 236509), (91, 210519), (113, 169533), (117, 163737), (161, 118989), (189, 101361), (207, 92547), (273, 70173), (299, 64071), (339, 56511), (351, 54579), (483, 39663), (567, 33787), (621, 30849), (791, 24219), (819, 23391), (897, 21357), (1017, 18837), (1053, 18193), (1449, 13221), (1469, 13041), (1863, 10283), (2093, 9153), (2373, 8073), (2457, 7797), (2599, 7371), (2691, 7119), (3051, 6279), (4347, 4407)]