19714210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 38624256

約数和(自身を除く): 18910046

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 127, 190, 215, 254, 361, 430, 635, 722, 817, 1270, 1634, 1805, 2413, 3610, 4085, 4826, 5461, 8170, 10922, 12065, 15523, 24130, 27305, 31046, 45847, 54610, 77615, 91694, 103759, 155230, 207518, 229235, 458470, 518795, 1037590, 1971421, 3942842, 9857105, 19714210]

約数ペア:

[(1, 19714210), (2, 9857105), (5, 3942842), (10, 1971421), (19, 1037590), (38, 518795), (43, 458470), (86, 229235), (95, 207518), (127, 155230), (190, 103759), (215, 91694), (254, 77615), (361, 54610), (430, 45847), (635, 31046), (722, 27305), (817, 24130), (1270, 15523), (1634, 12065), (1805, 10922), (2413, 8170), (3610, 5461), (4085, 4826)]