18719488

素因数分解:

$2^8\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:980

約数の個数: 36

約数和(自身を含む): 37858968

約数和(自身を除く): 19139480

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 664, 881, 1328, 1762, 2656, 3524, 5312, 7048, 10624, 14096, 21248, 28192, 56384, 73123, 112768, 146246, 225536, 292492, 584984, 1169968, 2339936, 4679872, 9359744, 18719488]

約数ペア:

[(1, 18719488), (2, 9359744), (4, 4679872), (8, 2339936), (16, 1169968), (32, 584984), (64, 292492), (83, 225536), (128, 146246), (166, 112768), (256, 73123), (332, 56384), (664, 28192), (881, 21248), (1328, 14096), (1762, 10624), (2656, 7048), (3524, 5312)]