19602405

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1715

約数の個数: 40

約数和(自身を含む): 36372600

約数和(自身を除く): 16770195

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1669, 2349, 3915, 5007, 8345, 11745, 15021, 25035, 45063, 48401, 75105, 135189, 145203, 225315, 242005, 435609, 675945, 726015, 1306827, 2178045, 3920481, 6534135, 19602405]

約数ペア:

[(1, 19602405), (3, 6534135), (5, 3920481), (9, 2178045), (15, 1306827), (27, 726015), (29, 675945), (45, 435609), (81, 242005), (87, 225315), (135, 145203), (145, 135189), (261, 75105), (405, 48401), (435, 45063), (783, 25035), (1305, 15021), (1669, 11745), (2349, 8345), (3915, 5007)]