18745155

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1009

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 20445885

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 971, 1287, 1485, 1755, 2145, 2913, 3861, 4855, 6435, 8739, 10681, 12623, 14565, 19305, 26217, 32043, 37869, 43695, 53405, 63115, 96129, 113607, 131085, 138853, 160215, 189345, 288387, 340821, 416559, 480645, 568035, 694265, 1249677, 1441935, 1704105, 2082795, 3749031, 6248385, 18745155]

約数ペア:

[(1, 18745155), (3, 6248385), (5, 3749031), (9, 2082795), (11, 1704105), (13, 1441935), (15, 1249677), (27, 694265), (33, 568035), (39, 480645), (45, 416559), (55, 340821), (65, 288387), (99, 189345), (117, 160215), (135, 138853), (143, 131085), (165, 113607), (195, 96129), (297, 63115), (351, 53405), (429, 43695), (495, 37869), (585, 32043), (715, 26217), (971, 19305), (1287, 14565), (1485, 12623), (1755, 10681), (2145, 8739), (2913, 6435), (3861, 4855)]