19444870

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3491}}^1$

素因数の和:4055

約数の個数: 16

約数和(自身を含む): 35073648

約数和(自身を除く): 15628778

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 3491, 5570, 6982, 17455, 34910, 1944487, 3888974, 9722435, 19444870]

約数ペア:

[(1, 19444870), (2, 9722435), (5, 3888974), (10, 1944487), (557, 34910), (1114, 17455), (2785, 6982), (3491, 5570)]