19908564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7507}}^1$

素因数の和:7544

約数の個数: 48

約数和(自身を含む): 52976448

約数和(自身を除く): 33067884

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7507, 15014, 22521, 30028, 45042, 90084, 97591, 127619, 195182, 255238, 292773, 382857, 390364, 510476, 585546, 765714, 1171092, 1531428, 1659047, 3318094, 4977141, 6636188, 9954282, 19908564]

約数ペア:

[(1, 19908564), (2, 9954282), (3, 6636188), (4, 4977141), (6, 3318094), (12, 1659047), (13, 1531428), (17, 1171092), (26, 765714), (34, 585546), (39, 510476), (51, 390364), (52, 382857), (68, 292773), (78, 255238), (102, 195182), (156, 127619), (204, 97591), (221, 90084), (442, 45042), (663, 30028), (884, 22521), (1326, 15014), (2652, 7507)]