17421860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 38922240

約数和(自身を除く): 21500380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 361, 380, 508, 635, 722, 1270, 1444, 1805, 2413, 2540, 3610, 4826, 6859, 7220, 9652, 12065, 13718, 24130, 27436, 34295, 45847, 48260, 68590, 91694, 137180, 183388, 229235, 458470, 871093, 916940, 1742186, 3484372, 4355465, 8710930, 17421860]

約数ペア:

[(1, 17421860), (2, 8710930), (4, 4355465), (5, 3484372), (10, 1742186), (19, 916940), (20, 871093), (38, 458470), (76, 229235), (95, 183388), (127, 137180), (190, 91694), (254, 68590), (361, 48260), (380, 45847), (508, 34295), (635, 27436), (722, 24130), (1270, 13718), (1444, 12065), (1805, 9652), (2413, 7220), (2540, 6859), (3610, 4826)]