19473952

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 40303872

約数和(自身を除く): 20829920

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 67, 124, 134, 248, 268, 293, 496, 536, 586, 992, 1072, 1172, 2077, 2144, 2344, 4154, 4688, 8308, 9083, 9376, 16616, 18166, 19631, 33232, 36332, 39262, 66464, 72664, 78524, 145328, 157048, 290656, 314096, 608561, 628192, 1217122, 2434244, 4868488, 9736976, 19473952]

約数ペア:

[(1, 19473952), (2, 9736976), (4, 4868488), (8, 2434244), (16, 1217122), (31, 628192), (32, 608561), (62, 314096), (67, 290656), (124, 157048), (134, 145328), (248, 78524), (268, 72664), (293, 66464), (496, 39262), (536, 36332), (586, 33232), (992, 19631), (1072, 18166), (1172, 16616), (2077, 9376), (2144, 9083), (2344, 8308), (4154, 4688)]