11972090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 25280640

約数和(自身を除く): 13308550

約数列:

[1, 2, 5, 10, 13, 19, 26, 37, 38, 65, 74, 95, 130, 131, 185, 190, 247, 262, 370, 481, 494, 655, 703, 962, 1235, 1310, 1406, 1703, 2405, 2470, 2489, 3406, 3515, 4810, 4847, 4978, 7030, 8515, 9139, 9694, 12445, 17030, 18278, 24235, 24890, 32357, 45695, 48470, 63011, 64714, 91390, 92093, 126022, 161785, 184186, 315055, 323570, 460465, 630110, 920930, 1197209, 2394418, 5986045, 11972090]

約数ペア:

[(1, 11972090), (2, 5986045), (5, 2394418), (10, 1197209), (13, 920930), (19, 630110), (26, 460465), (37, 323570), (38, 315055), (65, 184186), (74, 161785), (95, 126022), (130, 92093), (131, 91390), (185, 64714), (190, 63011), (247, 48470), (262, 45695), (370, 32357), (481, 24890), (494, 24235), (655, 18278), (703, 17030), (962, 12445), (1235, 9694), (1310, 9139), (1406, 8515), (1703, 7030), (2405, 4978), (2470, 4847), (2489, 4810), (3406, 3515)]