18979470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{929}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 49617360

約数和(自身を除く): 30637890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 227, 454, 681, 929, 1135, 1362, 1858, 2043, 2270, 2787, 3405, 4086, 4645, 5574, 6810, 8361, 9290, 10215, 13935, 16722, 20430, 27870, 41805, 83610, 210883, 421766, 632649, 1054415, 1265298, 1897947, 2108830, 3163245, 3795894, 6326490, 9489735, 18979470]

約数ペア:

[(1, 18979470), (2, 9489735), (3, 6326490), (5, 3795894), (6, 3163245), (9, 2108830), (10, 1897947), (15, 1265298), (18, 1054415), (30, 632649), (45, 421766), (90, 210883), (227, 83610), (454, 41805), (681, 27870), (929, 20430), (1135, 16722), (1362, 13935), (1858, 10215), (2043, 9290), (2270, 8361), (2787, 6810), (3405, 5574), (4086, 4645)]