18393920

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1287

約数の個数: 56

約数和(自身を含む): 44769024

約数和(自身を除く): 26375104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1223, 1504, 1880, 2446, 3008, 3760, 4892, 6115, 7520, 9784, 12230, 15040, 19568, 24460, 39136, 48920, 57481, 78272, 97840, 114962, 195680, 229924, 287405, 391360, 459848, 574810, 919696, 1149620, 1839392, 2299240, 3678784, 4598480, 9196960, 18393920]

約数ペア:

[(1, 18393920), (2, 9196960), (4, 4598480), (5, 3678784), (8, 2299240), (10, 1839392), (16, 1149620), (20, 919696), (32, 574810), (40, 459848), (47, 391360), (64, 287405), (80, 229924), (94, 195680), (160, 114962), (188, 97840), (235, 78272), (320, 57481), (376, 48920), (470, 39136), (752, 24460), (940, 19568), (1223, 15040), (1504, 12230), (1880, 9784), (2446, 7520), (3008, 6115), (3760, 4892)]