19225895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 26707968

約数和(自身を除く): 7482073

約数列:

[1, 5, 13, 17, 65, 85, 127, 137, 221, 635, 685, 1105, 1651, 1781, 2159, 2329, 8255, 8905, 10795, 11645, 17399, 28067, 30277, 86995, 140335, 151385, 226187, 295783, 1130935, 1478915, 3845179, 19225895]

約数ペア:

[(1, 19225895), (5, 3845179), (13, 1478915), (17, 1130935), (65, 295783), (85, 226187), (127, 151385), (137, 140335), (221, 86995), (635, 30277), (685, 28067), (1105, 17399), (1651, 11645), (1781, 10795), (2159, 8905), (2329, 8255)]