18718704

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2206

約数の個数: 60

約数和(自身を含む): 53270152

約数和(自身を除く): 34551448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2131, 2196, 2928, 4262, 4392, 6393, 8524, 8784, 12786, 17048, 19179, 25572, 34096, 38358, 51144, 76716, 102288, 129991, 153432, 259982, 306864, 389973, 519964, 779946, 1039928, 1169919, 1559892, 2079856, 2339838, 3119784, 4679676, 6239568, 9359352, 18718704]

約数ペア:

[(1, 18718704), (2, 9359352), (3, 6239568), (4, 4679676), (6, 3119784), (8, 2339838), (9, 2079856), (12, 1559892), (16, 1169919), (18, 1039928), (24, 779946), (36, 519964), (48, 389973), (61, 306864), (72, 259982), (122, 153432), (144, 129991), (183, 102288), (244, 76716), (366, 51144), (488, 38358), (549, 34096), (732, 25572), (976, 19179), (1098, 17048), (1464, 12786), (2131, 8784), (2196, 8524), (2928, 6393), (4262, 4392)]