18636780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{811}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 52383744

約数和(自身を除く): 33746964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 811, 1149, 1532, 1622, 1915, 2298, 2433, 3244, 3830, 4055, 4596, 4866, 5745, 7660, 8110, 9732, 11490, 12165, 16220, 22980, 24330, 48660, 310613, 621226, 931839, 1242452, 1553065, 1863678, 3106130, 3727356, 4659195, 6212260, 9318390, 18636780]

約数ペア:

[(1, 18636780), (2, 9318390), (3, 6212260), (4, 4659195), (5, 3727356), (6, 3106130), (10, 1863678), (12, 1553065), (15, 1242452), (20, 931839), (30, 621226), (60, 310613), (383, 48660), (766, 24330), (811, 22980), (1149, 16220), (1532, 12165), (1622, 11490), (1915, 9732), (2298, 8110), (2433, 7660), (3244, 5745), (3830, 4866), (4055, 4596)]