19963264

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6781}}^1$

素因数の和:6818

約数の個数: 32

約数和(自身を含む): 41505840

約数和(自身を除く): 21542576

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6781, 13562, 27124, 54248, 108496, 155963, 216992, 311926, 433984, 623852, 867968, 1247704, 2495408, 4990816, 9981632, 19963264]

約数ペア:

[(1, 19963264), (2, 9981632), (4, 4990816), (8, 2495408), (16, 1247704), (23, 867968), (32, 623852), (46, 433984), (64, 311926), (92, 216992), (128, 155963), (184, 108496), (368, 54248), (736, 27124), (1472, 13562), (2944, 6781)]