18547425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 37981944

約数和(自身を除く): 19434519

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 373, 425, 585, 663, 765, 975, 1105, 1119, 1275, 1865, 1989, 2925, 3315, 3357, 3825, 4849, 5525, 5595, 6341, 9325, 9945, 14547, 16575, 16785, 19023, 24245, 27975, 31705, 43641, 49725, 57069, 72735, 82433, 83925, 95115, 121225, 158525, 218205, 247299, 285345, 363675, 412165, 475575, 741897, 1091025, 1236495, 1426725, 2060825, 3709485, 6182475, 18547425]

約数ペア:

[(1, 18547425), (3, 6182475), (5, 3709485), (9, 2060825), (13, 1426725), (15, 1236495), (17, 1091025), (25, 741897), (39, 475575), (45, 412165), (51, 363675), (65, 285345), (75, 247299), (85, 218205), (117, 158525), (153, 121225), (195, 95115), (221, 83925), (225, 82433), (255, 72735), (325, 57069), (373, 49725), (425, 43641), (585, 31705), (663, 27975), (765, 24245), (975, 19023), (1105, 16785), (1119, 16575), (1275, 14547), (1865, 9945), (1989, 9325), (2925, 6341), (3315, 5595), (3357, 5525), (3825, 4849)]