18012368

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1931}}^1$

素因数の和:2003

約数の個数: 40

約数和(自身を含む): 38810016

約数和(自身を除く): 20797648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 1931, 2332, 3862, 4664, 7724, 9328, 15448, 21241, 30896, 42482, 84964, 102343, 169928, 204686, 339856, 409372, 818744, 1125773, 1637488, 2251546, 4503092, 9006184, 18012368]

約数ペア:

[(1, 18012368), (2, 9006184), (4, 4503092), (8, 2251546), (11, 1637488), (16, 1125773), (22, 818744), (44, 409372), (53, 339856), (88, 204686), (106, 169928), (176, 102343), (212, 84964), (424, 42482), (583, 30896), (848, 21241), (1166, 15448), (1931, 9328), (2332, 7724), (3862, 4664)]