20181715904

素因数分解:

$2^6\times 7^1\times {\mathrm{163}}^1\times {\mathrm{276371}}^1$

素因数の和:276553

約数の個数: 56

約数和(自身を含む): 46050208128

約数和(自身を除く): 25868492224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 163, 224, 326, 448, 652, 1141, 1304, 2282, 2608, 4564, 5216, 9128, 10432, 18256, 36512, 73024, 276371, 552742, 1105484, 1934597, 2210968, 3869194, 4421936, 7738388, 8843872, 15476776, 17687744, 30953552, 45048473, 61907104, 90096946, 123814208, 180193892, 315339311, 360387784, 630678622, 720775568, 1261357244, 1441551136, 2522714488, 2883102272, 5045428976, 10090857952, 20181715904]

約数ペア:

[(1, 20181715904), (2, 10090857952), (4, 5045428976), (7, 2883102272), (8, 2522714488), (14, 1441551136), (16, 1261357244), (28, 720775568), (32, 630678622), (56, 360387784), (64, 315339311), (112, 180193892), (163, 123814208), (224, 90096946), (326, 61907104), (448, 45048473), (652, 30953552), (1141, 17687744), (1304, 15476776), (2282, 8843872), (2608, 7738388), (4564, 4421936), (5216, 3869194), (9128, 2210968), (10432, 1934597), (18256, 1105484), (36512, 552742), (73024, 276371)]