19009928

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4297}}^1$

素因数の和:4389

約数の個数: 32

約数和(自身を含む): 41260800

約数和(自身を除く): 22250872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4297, 4424, 8594, 17188, 30079, 34376, 60158, 120316, 240632, 339463, 678926, 1357852, 2376241, 2715704, 4752482, 9504964, 19009928]

約数ペア:

[(1, 19009928), (2, 9504964), (4, 4752482), (7, 2715704), (8, 2376241), (14, 1357852), (28, 678926), (56, 339463), (79, 240632), (158, 120316), (316, 60158), (553, 34376), (632, 30079), (1106, 17188), (2212, 8594), (4297, 4424)]