17940970

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3221}}^1$

素因数の和:3785

約数の個数: 16

約数和(自身を含む): 32361768

約数和(自身を除く): 14420798

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 3221, 5570, 6442, 16105, 32210, 1794097, 3588194, 8970485, 17940970]

約数ペア:

[(1, 17940970), (2, 8970485), (5, 3588194), (10, 1794097), (557, 32210), (1114, 16105), (2785, 6442), (3221, 5570)]