18931648

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{1151}}^1$

素因数の和:1420

約数の個数: 28

約数和(自身を含む): 37746432

約数和(自身を除く): 18814784

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 1151, 2056, 2302, 4112, 4604, 8224, 9208, 16448, 18416, 36832, 73664, 295807, 591614, 1183228, 2366456, 4732912, 9465824, 18931648]

約数ペア:

[(1, 18931648), (2, 9465824), (4, 4732912), (8, 2366456), (16, 1183228), (32, 591614), (64, 295807), (257, 73664), (514, 36832), (1028, 18416), (1151, 16448), (2056, 9208), (2302, 8224), (4112, 4604)]