19671938

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^3\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 36085560

約数和(自身を除く): 16413622

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 121, 143, 169, 242, 286, 338, 407, 481, 814, 962, 1573, 1859, 2197, 3146, 3718, 4394, 4477, 5291, 6253, 8954, 10582, 12506, 20449, 24167, 40898, 48334, 58201, 68783, 81289, 116402, 137566, 162578, 265837, 531674, 756613, 894179, 1513226, 1788358, 9835969, 19671938]

約数ペア:

[(1, 19671938), (2, 9835969), (11, 1788358), (13, 1513226), (22, 894179), (26, 756613), (37, 531674), (74, 265837), (121, 162578), (143, 137566), (169, 116402), (242, 81289), (286, 68783), (338, 58201), (407, 48334), (481, 40898), (814, 24167), (962, 20449), (1573, 12506), (1859, 10582), (2197, 8954), (3146, 6253), (3718, 5291), (4394, 4477)]