18831076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 19089884

約数列:

[1, 2, 4, 11, 22, 37, 43, 44, 74, 86, 148, 172, 269, 407, 473, 538, 814, 946, 1076, 1591, 1628, 1892, 2959, 3182, 5918, 6364, 9953, 11567, 11836, 17501, 19906, 23134, 35002, 39812, 46268, 70004, 109483, 127237, 218966, 254474, 427979, 437932, 508948, 855958, 1711916, 4707769, 9415538, 18831076]

約数ペア:

[(1, 18831076), (2, 9415538), (4, 4707769), (11, 1711916), (22, 855958), (37, 508948), (43, 437932), (44, 427979), (74, 254474), (86, 218966), (148, 127237), (172, 109483), (269, 70004), (407, 46268), (473, 39812), (538, 35002), (814, 23134), (946, 19906), (1076, 17501), (1591, 11836), (1628, 11567), (1892, 9953), (2959, 6364), (3182, 5918)]