1520393908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{18749}}^1$

素因数の和:18880

約数の個数: 48

約数和(自身を含む): 3087000000

約数和(自身を除く): 1566606092

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 97, 194, 209, 388, 418, 836, 1067, 1843, 2134, 3686, 4268, 7372, 18749, 20273, 37498, 40546, 74996, 81092, 206239, 356231, 412478, 712462, 824956, 1424924, 1818653, 3637306, 3918541, 7274612, 7837082, 15674164, 20005183, 34554407, 40010366, 69108814, 80020732, 138217628, 380098477, 760196954, 1520393908]

約数ペア:

[(1, 1520393908), (2, 760196954), (4, 380098477), (11, 138217628), (19, 80020732), (22, 69108814), (38, 40010366), (44, 34554407), (76, 20005183), (97, 15674164), (194, 7837082), (209, 7274612), (388, 3918541), (418, 3637306), (836, 1818653), (1067, 1424924), (1843, 824956), (2134, 712462), (3686, 412478), (4268, 356231), (7372, 206239), (18749, 81092), (20273, 74996), (37498, 40546)]