19472560

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{607}}^1$

素因数の和:1021

約数の個数: 40

約数和(自身を含む): 45461376

約数和(自身を除く): 25988816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 607, 802, 1214, 1604, 2005, 2428, 3035, 3208, 4010, 4856, 6070, 6416, 8020, 9712, 12140, 16040, 24280, 32080, 48560, 243407, 486814, 973628, 1217035, 1947256, 2434070, 3894512, 4868140, 9736280, 19472560]

約数ペア:

[(1, 19472560), (2, 9736280), (4, 4868140), (5, 3894512), (8, 2434070), (10, 1947256), (16, 1217035), (20, 973628), (40, 486814), (80, 243407), (401, 48560), (607, 32080), (802, 24280), (1214, 16040), (1604, 12140), (2005, 9712), (2428, 8020), (3035, 6416), (3208, 6070), (4010, 4856)]