11519415

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 21840000

約数和(自身を除く): 10320585

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 499, 513, 855, 1215, 1497, 1539, 2495, 2565, 4491, 4617, 7485, 7695, 9481, 13473, 22455, 23085, 28443, 40419, 47405, 67365, 85329, 121257, 142215, 202095, 255987, 426645, 606285, 767961, 1279935, 2303883, 3839805, 11519415]

約数ペア:

[(1, 11519415), (3, 3839805), (5, 2303883), (9, 1279935), (15, 767961), (19, 606285), (27, 426645), (45, 255987), (57, 202095), (81, 142215), (95, 121257), (135, 85329), (171, 67365), (243, 47405), (285, 40419), (405, 28443), (499, 23085), (513, 22455), (855, 13473), (1215, 9481), (1497, 7695), (1539, 7485), (2495, 4617), (2565, 4491)]