19173844221

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1\times {\mathrm{15913}}^1$

素因数の和:16421

約数の個数: 32

約数和(自身を含む): 29473237248

約数和(自身を除く): 10299393027

約数列:

[1, 3, 7, 21, 181, 317, 543, 951, 1267, 2219, 3801, 6657, 15913, 47739, 57377, 111391, 172131, 334173, 401639, 1204917, 2880253, 5044421, 8640759, 15133263, 20161771, 35310947, 60485313, 105932841, 913040201, 2739120603, 6391281407, 19173844221]

約数ペア:

[(1, 19173844221), (3, 6391281407), (7, 2739120603), (21, 913040201), (181, 105932841), (317, 60485313), (543, 35310947), (951, 20161771), (1267, 15133263), (2219, 8640759), (3801, 5044421), (6657, 2880253), (15913, 1204917), (47739, 401639), (57377, 334173), (111391, 172131)]