18951040

素因数分解:

$2^7\times 5^1\times {\mathrm{29611}}^1$

素因数の和:29630

約数の個数: 32

約数和(自身を含む): 45306360

約数和(自身を除く): 26355320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29611, 59222, 118444, 148055, 236888, 296110, 473776, 592220, 947552, 1184440, 1895104, 2368880, 3790208, 4737760, 9475520, 18951040]

約数ペア:

[(1, 18951040), (2, 9475520), (4, 4737760), (5, 3790208), (8, 2368880), (10, 1895104), (16, 1184440), (20, 947552), (32, 592220), (40, 473776), (64, 296110), (80, 236888), (128, 148055), (160, 118444), (320, 59222), (640, 29611)]