18517020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 56179200

約数和(自身を除く): 37662180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 439, 444, 555, 570, 703, 740, 878, 1110, 1140, 1317, 1406, 1756, 2109, 2195, 2220, 2634, 2812, 3515, 4218, 4390, 5268, 6585, 7030, 8341, 8436, 8780, 10545, 13170, 14060, 16243, 16682, 21090, 25023, 26340, 32486, 33364, 41705, 42180, 48729, 50046, 64972, 81215, 83410, 97458, 100092, 125115, 162430, 166820, 194916, 243645, 250230, 308617, 324860, 487290, 500460, 617234, 925851, 974580, 1234468, 1543085, 1851702, 3086170, 3703404, 4629255, 6172340, 9258510, 18517020]

約数ペア:

[(1, 18517020), (2, 9258510), (3, 6172340), (4, 4629255), (5, 3703404), (6, 3086170), (10, 1851702), (12, 1543085), (15, 1234468), (19, 974580), (20, 925851), (30, 617234), (37, 500460), (38, 487290), (57, 324860), (60, 308617), (74, 250230), (76, 243645), (95, 194916), (111, 166820), (114, 162430), (148, 125115), (185, 100092), (190, 97458), (222, 83410), (228, 81215), (285, 64972), (370, 50046), (380, 48729), (439, 42180), (444, 41705), (555, 33364), (570, 32486), (703, 26340), (740, 25023), (878, 21090), (1110, 16682), (1140, 16243), (1317, 14060), (1406, 13170), (1756, 10545), (2109, 8780), (2195, 8436), (2220, 8341), (2634, 7030), (2812, 6585), (3515, 5268), (4218, 4390)]