19191536

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 46872000

約数和(自身を除く): 27680464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 269, 343, 364, 392, 538, 637, 686, 728, 784, 1076, 1274, 1372, 1456, 1883, 2152, 2548, 2744, 3497, 3766, 4304, 4459, 5096, 5488, 6994, 7532, 8918, 10192, 13181, 13988, 15064, 17836, 24479, 26362, 27976, 30128, 35672, 48958, 52724, 55952, 71344, 92267, 97916, 105448, 171353, 184534, 195832, 210896, 342706, 369068, 391664, 685412, 738136, 1199471, 1370824, 1476272, 2398942, 2741648, 4797884, 9595768, 19191536]

約数ペア:

[(1, 19191536), (2, 9595768), (4, 4797884), (7, 2741648), (8, 2398942), (13, 1476272), (14, 1370824), (16, 1199471), (26, 738136), (28, 685412), (49, 391664), (52, 369068), (56, 342706), (91, 210896), (98, 195832), (104, 184534), (112, 171353), (182, 105448), (196, 97916), (208, 92267), (269, 71344), (343, 55952), (364, 52724), (392, 48958), (538, 35672), (637, 30128), (686, 27976), (728, 26362), (784, 24479), (1076, 17836), (1274, 15064), (1372, 13988), (1456, 13181), (1883, 10192), (2152, 8918), (2548, 7532), (2744, 6994), (3497, 5488), (3766, 5096), (4304, 4459)]