19528208

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1543}}^1$

素因数の和:1671

約数の個数: 40

約数和(自身を含む): 43651968

約数和(自身を除く): 24123760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1543, 1582, 1808, 3086, 3164, 6172, 6328, 10801, 12344, 12656, 21602, 24688, 43204, 86408, 172816, 174359, 348718, 697436, 1220513, 1394872, 2441026, 2789744, 4882052, 9764104, 19528208]

約数ペア:

[(1, 19528208), (2, 9764104), (4, 4882052), (7, 2789744), (8, 2441026), (14, 1394872), (16, 1220513), (28, 697436), (56, 348718), (112, 174359), (113, 172816), (226, 86408), (452, 43204), (791, 24688), (904, 21602), (1543, 12656), (1582, 12344), (1808, 10801), (3086, 6328), (3164, 6172)]