18387212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 36099840

約数和(自身を除く): 17712628

約数列:

[1, 2, 4, 19, 23, 38, 46, 67, 76, 92, 134, 157, 268, 314, 437, 628, 874, 1273, 1541, 1748, 2546, 2983, 3082, 3611, 5092, 5966, 6164, 7222, 10519, 11932, 14444, 21038, 29279, 42076, 58558, 68609, 117116, 137218, 199861, 241937, 274436, 399722, 483874, 799444, 967748, 4596803, 9193606, 18387212]

約数ペア:

[(1, 18387212), (2, 9193606), (4, 4596803), (19, 967748), (23, 799444), (38, 483874), (46, 399722), (67, 274436), (76, 241937), (92, 199861), (134, 137218), (157, 117116), (268, 68609), (314, 58558), (437, 42076), (628, 29279), (874, 21038), (1273, 14444), (1541, 11932), (1748, 10519), (2546, 7222), (2983, 6164), (3082, 5966), (3611, 5092)]