19118720

素因数分解:

$2^7\times 5^1\times {\mathrm{29873}}^1$

素因数の和:29892

約数の個数: 32

約数和(自身を含む): 45707220

約数和(自身を除く): 26588500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29873, 59746, 119492, 149365, 238984, 298730, 477968, 597460, 955936, 1194920, 1911872, 2389840, 3823744, 4779680, 9559360, 19118720]

約数ペア:

[(1, 19118720), (2, 9559360), (4, 4779680), (5, 3823744), (8, 2389840), (10, 1911872), (16, 1194920), (20, 955936), (32, 597460), (40, 477968), (64, 298730), (80, 238984), (128, 149365), (160, 119492), (320, 59746), (640, 29873)]