19572423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 30373056

約数和(自身を除く): 10800633

約数列:

[1, 3, 13, 17, 39, 51, 53, 159, 221, 557, 663, 689, 901, 1671, 2067, 2703, 7241, 9469, 11713, 21723, 28407, 29521, 35139, 88563, 123097, 369291, 383773, 501857, 1151319, 1505571, 6524141, 19572423]

約数ペア:

[(1, 19572423), (3, 6524141), (13, 1505571), (17, 1151319), (39, 501857), (51, 383773), (53, 369291), (159, 123097), (221, 88563), (557, 35139), (663, 29521), (689, 28407), (901, 21723), (1671, 11713), (2067, 9469), (2703, 7241)]