18115120

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{617}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 42300864

約数和(自身を除く): 24185744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 617, 734, 1234, 1468, 1835, 2468, 2936, 3085, 3670, 4936, 5872, 6170, 7340, 9872, 12340, 14680, 24680, 29360, 49360, 226439, 452878, 905756, 1132195, 1811512, 2264390, 3623024, 4528780, 9057560, 18115120]

約数ペア:

[(1, 18115120), (2, 9057560), (4, 4528780), (5, 3623024), (8, 2264390), (10, 1811512), (16, 1132195), (20, 905756), (40, 452878), (80, 226439), (367, 49360), (617, 29360), (734, 24680), (1234, 14680), (1468, 12340), (1835, 9872), (2468, 7340), (2936, 6170), (3085, 5872), (3670, 4936)]