18831672

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^2\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 52991640

約数和(自身を除く): 34159968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 311, 348, 522, 622, 696, 841, 933, 1044, 1244, 1682, 1866, 2088, 2488, 2523, 2799, 3364, 3732, 5046, 5598, 6728, 7464, 7569, 9019, 10092, 11196, 15138, 18038, 20184, 22392, 27057, 30276, 36076, 54114, 60552, 72152, 81171, 108228, 162342, 216456, 261551, 324684, 523102, 649368, 784653, 1046204, 1569306, 2092408, 2353959, 3138612, 4707918, 6277224, 9415836, 18831672]

約数ペア:

[(1, 18831672), (2, 9415836), (3, 6277224), (4, 4707918), (6, 3138612), (8, 2353959), (9, 2092408), (12, 1569306), (18, 1046204), (24, 784653), (29, 649368), (36, 523102), (58, 324684), (72, 261551), (87, 216456), (116, 162342), (174, 108228), (232, 81171), (261, 72152), (311, 60552), (348, 54114), (522, 36076), (622, 30276), (696, 27057), (841, 22392), (933, 20184), (1044, 18038), (1244, 15138), (1682, 11196), (1866, 10092), (2088, 9019), (2488, 7569), (2523, 7464), (2799, 6728), (3364, 5598), (3732, 5046)]