18970112

素因数分解:

$2^9\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 80

約数和(自身を含む): 44520960

約数和(自身を除く): 25550848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 79, 112, 128, 134, 158, 224, 256, 268, 316, 448, 469, 512, 536, 553, 632, 896, 938, 1072, 1106, 1264, 1792, 1876, 2144, 2212, 2528, 3584, 3752, 4288, 4424, 5056, 5293, 7504, 8576, 8848, 10112, 10586, 15008, 17152, 17696, 20224, 21172, 30016, 34304, 35392, 37051, 40448, 42344, 60032, 70784, 74102, 84688, 120064, 141568, 148204, 169376, 240128, 283136, 296408, 338752, 592816, 677504, 1185632, 1355008, 2371264, 2710016, 4742528, 9485056, 18970112]

約数ペア:

[(1, 18970112), (2, 9485056), (4, 4742528), (7, 2710016), (8, 2371264), (14, 1355008), (16, 1185632), (28, 677504), (32, 592816), (56, 338752), (64, 296408), (67, 283136), (79, 240128), (112, 169376), (128, 148204), (134, 141568), (158, 120064), (224, 84688), (256, 74102), (268, 70784), (316, 60032), (448, 42344), (469, 40448), (512, 37051), (536, 35392), (553, 34304), (632, 30016), (896, 21172), (938, 20224), (1072, 17696), (1106, 17152), (1264, 15008), (1792, 10586), (1876, 10112), (2144, 8848), (2212, 8576), (2528, 7504), (3584, 5293), (3752, 5056), (4288, 4424)]