19918992

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{21841}}^1$

素因数の和:21871

約数の個数: 40

約数和(自身を含む): 54168160

約数和(自身を除く): 34249168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 21841, 43682, 65523, 87364, 131046, 174728, 262092, 349456, 414979, 524184, 829958, 1048368, 1244937, 1659916, 2489874, 3319832, 4979748, 6639664, 9959496, 19918992]

約数ペア:

[(1, 19918992), (2, 9959496), (3, 6639664), (4, 4979748), (6, 3319832), (8, 2489874), (12, 1659916), (16, 1244937), (19, 1048368), (24, 829958), (38, 524184), (48, 414979), (57, 349456), (76, 262092), (114, 174728), (152, 131046), (228, 87364), (304, 65523), (456, 43682), (912, 21841)]