19485004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 43577856

約数和(自身を除く): 24092852

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1543, 1804, 3086, 3157, 6172, 6314, 10801, 12628, 16973, 21602, 33946, 43204, 63263, 67892, 118811, 126526, 237622, 253052, 442841, 475244, 695893, 885682, 1391786, 1771364, 2783572, 4871251, 9742502, 19485004]

約数ペア:

[(1, 19485004), (2, 9742502), (4, 4871251), (7, 2783572), (11, 1771364), (14, 1391786), (22, 885682), (28, 695893), (41, 475244), (44, 442841), (77, 253052), (82, 237622), (154, 126526), (164, 118811), (287, 67892), (308, 63263), (451, 43204), (574, 33946), (902, 21602), (1148, 16973), (1543, 12628), (1804, 10801), (3086, 6314), (3157, 6172)]