19045494

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 44772000

約数和(自身を除く): 25726506

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 199, 234, 398, 409, 597, 818, 1194, 1227, 1791, 2454, 2587, 3582, 3681, 5174, 5317, 7362, 7761, 10634, 15522, 15951, 23283, 31902, 46566, 47853, 81391, 95706, 162782, 244173, 488346, 732519, 1058083, 1465038, 2116166, 3174249, 6348498, 9522747, 19045494]

約数ペア:

[(1, 19045494), (2, 9522747), (3, 6348498), (6, 3174249), (9, 2116166), (13, 1465038), (18, 1058083), (26, 732519), (39, 488346), (78, 244173), (117, 162782), (199, 95706), (234, 81391), (398, 47853), (409, 46566), (597, 31902), (818, 23283), (1194, 15951), (1227, 15522), (1791, 10634), (2454, 7761), (2587, 7362), (3582, 5317), (3681, 5174)]