16905384

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3307}}^1$

素因数の和:3390

約数の個数: 48

約数和(自身を含む): 46444320

約数和(自身を除く): 29538936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 3307, 5112, 6614, 9921, 13228, 19842, 26456, 29763, 39684, 59526, 79368, 119052, 234797, 238104, 469594, 704391, 939188, 1408782, 1878376, 2113173, 2817564, 4226346, 5635128, 8452692, 16905384]

約数ペア:

[(1, 16905384), (2, 8452692), (3, 5635128), (4, 4226346), (6, 2817564), (8, 2113173), (9, 1878376), (12, 1408782), (18, 939188), (24, 704391), (36, 469594), (71, 238104), (72, 234797), (142, 119052), (213, 79368), (284, 59526), (426, 39684), (568, 29763), (639, 26456), (852, 19842), (1278, 13228), (1704, 9921), (2556, 6614), (3307, 5112)]