18552520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 29555000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 383, 692, 766, 865, 1211, 1384, 1532, 1730, 1915, 2422, 2681, 3064, 3460, 3830, 4844, 5362, 6055, 6920, 7660, 9688, 10724, 12110, 13405, 15320, 21448, 24220, 26810, 48440, 53620, 66259, 107240, 132518, 265036, 331295, 463813, 530072, 662590, 927626, 1325180, 1855252, 2319065, 2650360, 3710504, 4638130, 9276260, 18552520]

約数ペア:

[(1, 18552520), (2, 9276260), (4, 4638130), (5, 3710504), (7, 2650360), (8, 2319065), (10, 1855252), (14, 1325180), (20, 927626), (28, 662590), (35, 530072), (40, 463813), (56, 331295), (70, 265036), (140, 132518), (173, 107240), (280, 66259), (346, 53620), (383, 48440), (692, 26810), (766, 24220), (865, 21448), (1211, 15320), (1384, 13405), (1532, 12110), (1730, 10724), (1915, 9688), (2422, 7660), (2681, 6920), (3064, 6055), (3460, 5362), (3830, 4844)]