19311420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4409}}^1$

素因数の和:4494

約数の個数: 48

約数和(自身を含む): 54825120

約数和(自身を除く): 35513700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4409, 8818, 13227, 17636, 22045, 26454, 44090, 52908, 66135, 88180, 132270, 264540, 321857, 643714, 965571, 1287428, 1609285, 1931142, 3218570, 3862284, 4827855, 6437140, 9655710, 19311420]

約数ペア:

[(1, 19311420), (2, 9655710), (3, 6437140), (4, 4827855), (5, 3862284), (6, 3218570), (10, 1931142), (12, 1609285), (15, 1287428), (20, 965571), (30, 643714), (60, 321857), (73, 264540), (146, 132270), (219, 88180), (292, 66135), (365, 52908), (438, 44090), (730, 26454), (876, 22045), (1095, 17636), (1460, 13227), (2190, 8818), (4380, 4409)]