19174990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2416

約数の個数: 32

約数和(自身を含む): 37192320

約数和(自身を除く): 18017330

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2347, 4085, 4694, 8170, 11735, 23470, 44593, 89186, 100921, 201842, 222965, 445930, 504605, 1009210, 1917499, 3834998, 9587495, 19174990]

約数ペア:

[(1, 19174990), (2, 9587495), (5, 3834998), (10, 1917499), (19, 1009210), (38, 504605), (43, 445930), (86, 222965), (95, 201842), (190, 100921), (215, 89186), (430, 44593), (817, 23470), (1634, 11735), (2347, 8170), (4085, 4694)]