19555978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 14796662

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 1277, 2554, 7657, 15314, 16601, 24263, 33202, 39587, 48526, 79174, 315419, 514631, 630838, 752153, 1029262, 1504306, 9777989, 19555978]

約数ペア:

[(1, 19555978), (2, 9777989), (13, 1504306), (19, 1029262), (26, 752153), (31, 630838), (38, 514631), (62, 315419), (247, 79174), (403, 48526), (494, 39587), (589, 33202), (806, 24263), (1178, 16601), (1277, 15314), (2554, 7657)]