17991328

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 19748192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 127, 152, 233, 254, 304, 466, 508, 608, 932, 1016, 1864, 2032, 2413, 3728, 4064, 4427, 4826, 7456, 8854, 9652, 17708, 19304, 29591, 35416, 38608, 59182, 70832, 77216, 118364, 141664, 236728, 473456, 562229, 946912, 1124458, 2248916, 4497832, 8995664, 17991328]

約数ペア:

[(1, 17991328), (2, 8995664), (4, 4497832), (8, 2248916), (16, 1124458), (19, 946912), (32, 562229), (38, 473456), (76, 236728), (127, 141664), (152, 118364), (233, 77216), (254, 70832), (304, 59182), (466, 38608), (508, 35416), (608, 29591), (932, 19304), (1016, 17708), (1864, 9652), (2032, 8854), (2413, 7456), (3728, 4826), (4064, 4427)]