18317838868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21103501}}^1$

素因数の和:21103543

約数の個数: 24

約数和(自身を含む): 37817475584

約数和(自身を除く): 19499636716

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21103501, 42207002, 84414004, 147724507, 295449014, 590898028, 654208531, 1308417062, 2616834124, 4579459717, 9158919434, 18317838868]

約数ペア:

[(1, 18317838868), (2, 9158919434), (4, 4579459717), (7, 2616834124), (14, 1308417062), (28, 654208531), (31, 590898028), (62, 295449014), (124, 147724507), (217, 84414004), (434, 42207002), (868, 21103501)]