19778248

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11393}}^1$

素因数の和:11437

約数の個数: 32

約数和(自身を含む): 43752960

約数和(自身を除く): 23974712

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11393, 22786, 45572, 79751, 91144, 159502, 319004, 353183, 638008, 706366, 1412732, 2472281, 2825464, 4944562, 9889124, 19778248]

約数ペア:

[(1, 19778248), (2, 9889124), (4, 4944562), (7, 2825464), (8, 2472281), (14, 1412732), (28, 706366), (31, 638008), (56, 353183), (62, 319004), (124, 159502), (217, 91144), (248, 79751), (434, 45572), (868, 22786), (1736, 11393)]