19609976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7589}}^1$

素因数の和:7631

約数の個数: 32

約数和(自身を含む): 40986000

約数和(自身を除く): 21376024

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7589, 15178, 30356, 60712, 129013, 144191, 258026, 288382, 516052, 576764, 1032104, 1153528, 2451247, 4902494, 9804988, 19609976]

約数ペア:

[(1, 19609976), (2, 9804988), (4, 4902494), (8, 2451247), (17, 1153528), (19, 1032104), (34, 576764), (38, 516052), (68, 288382), (76, 258026), (136, 144191), (152, 129013), (323, 60712), (646, 30356), (1292, 15178), (2584, 7589)]