18908512

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 25907168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 389, 392, 434, 496, 778, 784, 868, 992, 1519, 1556, 1568, 1736, 2723, 3038, 3112, 3472, 5446, 6076, 6224, 6944, 10892, 12059, 12152, 12448, 19061, 21784, 24118, 24304, 38122, 43568, 48236, 48608, 76244, 84413, 87136, 96472, 152488, 168826, 192944, 304976, 337652, 385888, 590891, 609952, 675304, 1181782, 1350608, 2363564, 2701216, 4727128, 9454256, 18908512]

約数ペア:

[(1, 18908512), (2, 9454256), (4, 4727128), (7, 2701216), (8, 2363564), (14, 1350608), (16, 1181782), (28, 675304), (31, 609952), (32, 590891), (49, 385888), (56, 337652), (62, 304976), (98, 192944), (112, 168826), (124, 152488), (196, 96472), (217, 87136), (224, 84413), (248, 76244), (389, 48608), (392, 48236), (434, 43568), (496, 38122), (778, 24304), (784, 24118), (868, 21784), (992, 19061), (1519, 12448), (1556, 12152), (1568, 12059), (1736, 10892), (2723, 6944), (3038, 6224), (3112, 6076), (3472, 5446)]