18708013870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{478099}}^1$

素因数の和:478169

約数の個数: 64

約数和(自身を含む): 42409382400

約数和(自身を除く): 23701368530

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 910, 1118, 1505, 2795, 3010, 3913, 5590, 7826, 19565, 39130, 478099, 956198, 2390495, 3346693, 4780990, 6215287, 6693386, 12430574, 16733465, 20558257, 31076435, 33466930, 41116514, 43507009, 62152870, 87014018, 102791285, 143907799, 205582570, 217535045, 267257341, 287815598, 435070090, 534514682, 719538995, 1336286705, 1439077990, 1870801387, 2672573410, 3741602774, 9354006935, 18708013870]

約数ペア:

[(1, 18708013870), (2, 9354006935), (5, 3741602774), (7, 2672573410), (10, 1870801387), (13, 1439077990), (14, 1336286705), (26, 719538995), (35, 534514682), (43, 435070090), (65, 287815598), (70, 267257341), (86, 217535045), (91, 205582570), (130, 143907799), (182, 102791285), (215, 87014018), (301, 62152870), (430, 43507009), (455, 41116514), (559, 33466930), (602, 31076435), (910, 20558257), (1118, 16733465), (1505, 12430574), (2795, 6693386), (3010, 6215287), (3913, 4780990), (5590, 3346693), (7826, 2390495), (19565, 956198), (39130, 478099)]