201787904

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{20743}}^1$

素因数の和:20780

約数の個数: 40

約数和(自身を含む): 424422240

約数和(自身を除く): 222634336

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 20743, 41486, 82972, 165944, 331888, 394117, 663776, 788234, 1327552, 1576468, 2655104, 3152936, 5310208, 6305872, 10620416, 12611744, 25223488, 50446976, 100893952, 201787904]

約数ペア:

[(1, 201787904), (2, 100893952), (4, 50446976), (8, 25223488), (16, 12611744), (19, 10620416), (32, 6305872), (38, 5310208), (64, 3152936), (76, 2655104), (128, 1576468), (152, 1327552), (256, 788234), (304, 663776), (512, 394117), (608, 331888), (1216, 165944), (2432, 82972), (4864, 41486), (9728, 20743)]