16945340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2347}}^1$

素因数の和:2394

約数の個数: 36

約数和(自身を含む): 37572696

約数和(自身を除く): 20627356

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2347, 3610, 4694, 7220, 9388, 11735, 23470, 44593, 46940, 89186, 178372, 222965, 445930, 847267, 891860, 1694534, 3389068, 4236335, 8472670, 16945340]

約数ペア:

[(1, 16945340), (2, 8472670), (4, 4236335), (5, 3389068), (10, 1694534), (19, 891860), (20, 847267), (38, 445930), (76, 222965), (95, 178372), (190, 89186), (361, 46940), (380, 44593), (722, 23470), (1444, 11735), (1805, 9388), (2347, 7220), (3610, 4694)]