19146908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 39580800

約数和(自身を除く): 20433892

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 619, 703, 814, 836, 1238, 1406, 1628, 2476, 2812, 6809, 7733, 11761, 13618, 15466, 22903, 23522, 27236, 30932, 45806, 47044, 91612, 129371, 251933, 258742, 435157, 503866, 517484, 870314, 1007732, 1740628, 4786727, 9573454, 19146908]

約数ペア:

[(1, 19146908), (2, 9573454), (4, 4786727), (11, 1740628), (19, 1007732), (22, 870314), (37, 517484), (38, 503866), (44, 435157), (74, 258742), (76, 251933), (148, 129371), (209, 91612), (407, 47044), (418, 45806), (619, 30932), (703, 27236), (814, 23522), (836, 22903), (1238, 15466), (1406, 13618), (1628, 11761), (2476, 7733), (2812, 6809)]