19661120

素因数分解:

$2^6\times 5^1\times {\mathrm{61441}}^1$

素因数の和:61458

約数の個数: 28

約数和(自身を含む): 46818804

約数和(自身を除く): 27157684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61441, 122882, 245764, 307205, 491528, 614410, 983056, 1228820, 1966112, 2457640, 3932224, 4915280, 9830560, 19661120]

約数ペア:

[(1, 19661120), (2, 9830560), (4, 4915280), (5, 3932224), (8, 2457640), (10, 1966112), (16, 1228820), (20, 983056), (32, 614410), (40, 491528), (64, 307205), (80, 245764), (160, 122882), (320, 61441)]