18828848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 38710320

約数和(自身を除く): 19881472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 241, 257, 304, 482, 514, 964, 1028, 1928, 2056, 3856, 4112, 4579, 4883, 9158, 9766, 18316, 19532, 36632, 39064, 61937, 73264, 78128, 123874, 247748, 495496, 990992, 1176803, 2353606, 4707212, 9414424, 18828848]

約数ペア:

[(1, 18828848), (2, 9414424), (4, 4707212), (8, 2353606), (16, 1176803), (19, 990992), (38, 495496), (76, 247748), (152, 123874), (241, 78128), (257, 73264), (304, 61937), (482, 39064), (514, 36632), (964, 19532), (1028, 18316), (1928, 9766), (2056, 9158), (3856, 4883), (4112, 4579)]