18855676

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 42116480

約数和(自身を除く): 23260804

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 67, 76, 92, 133, 134, 161, 266, 268, 322, 437, 469, 529, 532, 644, 874, 938, 1058, 1273, 1541, 1748, 1876, 2116, 2546, 3059, 3082, 3703, 5092, 6118, 6164, 7406, 8911, 10051, 10787, 12236, 14812, 17822, 20102, 21574, 29279, 35443, 35644, 40204, 43148, 58558, 70357, 70886, 117116, 140714, 141772, 204953, 248101, 281428, 409906, 496202, 673417, 819812, 992404, 1346834, 2693668, 4713919, 9427838, 18855676]

約数ペア:

[(1, 18855676), (2, 9427838), (4, 4713919), (7, 2693668), (14, 1346834), (19, 992404), (23, 819812), (28, 673417), (38, 496202), (46, 409906), (67, 281428), (76, 248101), (92, 204953), (133, 141772), (134, 140714), (161, 117116), (266, 70886), (268, 70357), (322, 58558), (437, 43148), (469, 40204), (529, 35644), (532, 35443), (644, 29279), (874, 21574), (938, 20102), (1058, 17822), (1273, 14812), (1541, 12236), (1748, 10787), (1876, 10051), (2116, 8911), (2546, 7406), (3059, 6164), (3082, 6118), (3703, 5092)]