18667776

素因数分解:

$2^8\times 3^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 50364160

約数和(自身を除く): 31696384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 109, 128, 192, 218, 223, 256, 327, 384, 436, 446, 654, 669, 768, 872, 892, 1308, 1338, 1744, 1784, 2616, 2676, 3488, 3568, 5232, 5352, 6976, 7136, 10464, 10704, 13952, 14272, 20928, 21408, 24307, 27904, 28544, 41856, 42816, 48614, 57088, 72921, 83712, 85632, 97228, 145842, 171264, 194456, 291684, 388912, 583368, 777824, 1166736, 1555648, 2333472, 3111296, 4666944, 6222592, 9333888, 18667776]

約数ペア:

[(1, 18667776), (2, 9333888), (3, 6222592), (4, 4666944), (6, 3111296), (8, 2333472), (12, 1555648), (16, 1166736), (24, 777824), (32, 583368), (48, 388912), (64, 291684), (96, 194456), (109, 171264), (128, 145842), (192, 97228), (218, 85632), (223, 83712), (256, 72921), (327, 57088), (384, 48614), (436, 42816), (446, 41856), (654, 28544), (669, 27904), (768, 24307), (872, 21408), (892, 20928), (1308, 14272), (1338, 13952), (1744, 10704), (1784, 10464), (2616, 7136), (2676, 6976), (3488, 5352), (3568, 5232)]