1900903888

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{241}}^1\times {\mathrm{2917}}^1$

素因数の和:3192

約数の個数: 60

約数和(自身を含む): 4006022988

約数和(自身を除く): 2105119100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 241, 338, 482, 676, 964, 1352, 1928, 2704, 2917, 3133, 3856, 5834, 6266, 11668, 12532, 23336, 25064, 37921, 40729, 46672, 50128, 75842, 81458, 151684, 162916, 303368, 325832, 492973, 606736, 651664, 702997, 985946, 1405994, 1971892, 2811988, 3943784, 5623976, 7887568, 9138961, 11247952, 18277922, 36555844, 73111688, 118806493, 146223376, 237612986, 475225972, 950451944, 1900903888]

約数ペア:

[(1, 1900903888), (2, 950451944), (4, 475225972), (8, 237612986), (13, 146223376), (16, 118806493), (26, 73111688), (52, 36555844), (104, 18277922), (169, 11247952), (208, 9138961), (241, 7887568), (338, 5623976), (482, 3943784), (676, 2811988), (964, 1971892), (1352, 1405994), (1928, 985946), (2704, 702997), (2917, 651664), (3133, 606736), (3856, 492973), (5834, 325832), (6266, 303368), (11668, 162916), (12532, 151684), (23336, 81458), (25064, 75842), (37921, 50128), (40729, 46672)]