19641908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 42166656

約数和(自身を除く): 22524748

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 1493, 2986, 3289, 5972, 6578, 13156, 16423, 19409, 32846, 34339, 38818, 65692, 68678, 77636, 137356, 213499, 377729, 426998, 446407, 755458, 853996, 892814, 1510916, 1785628, 4910477, 9820954, 19641908]

約数ペア:

[(1, 19641908), (2, 9820954), (4, 4910477), (11, 1785628), (13, 1510916), (22, 892814), (23, 853996), (26, 755458), (44, 446407), (46, 426998), (52, 377729), (92, 213499), (143, 137356), (253, 77636), (286, 68678), (299, 65692), (506, 38818), (572, 34339), (598, 32846), (1012, 19409), (1196, 16423), (1493, 13156), (2986, 6578), (3289, 5972)]