19005415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 9218585

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 1399, 2717, 6995, 13585, 15389, 18187, 26581, 76945, 90935, 132905, 200057, 292391, 345553, 1000285, 1461955, 1727765, 3801083, 19005415]

約数ペア:

[(1, 19005415), (5, 3801083), (11, 1727765), (13, 1461955), (19, 1000285), (55, 345553), (65, 292391), (95, 200057), (143, 132905), (209, 90935), (247, 76945), (715, 26581), (1045, 18187), (1235, 15389), (1399, 13585), (2717, 6995)]