18921948

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2243}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 47752320

約数和(自身を除く): 28830372

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2243, 2812, 4218, 4486, 6729, 8436, 8972, 13458, 26916, 42617, 82991, 85234, 127851, 165982, 170468, 248973, 255702, 331964, 497946, 511404, 995892, 1576829, 3153658, 4730487, 6307316, 9460974, 18921948]

約数ペア:

[(1, 18921948), (2, 9460974), (3, 6307316), (4, 4730487), (6, 3153658), (12, 1576829), (19, 995892), (37, 511404), (38, 497946), (57, 331964), (74, 255702), (76, 248973), (111, 170468), (114, 165982), (148, 127851), (222, 85234), (228, 82991), (444, 42617), (703, 26916), (1406, 13458), (2109, 8972), (2243, 8436), (2812, 6729), (4218, 4486)]