19075720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12889}}^1$

素因数の和:12937

約数の個数: 32

約数和(自身を含む): 44083800

約数和(自身を除く): 25008080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12889, 25778, 51556, 64445, 103112, 128890, 257780, 476893, 515560, 953786, 1907572, 2384465, 3815144, 4768930, 9537860, 19075720]

約数ペア:

[(1, 19075720), (2, 9537860), (4, 4768930), (5, 3815144), (8, 2384465), (10, 1907572), (20, 953786), (37, 515560), (40, 476893), (74, 257780), (148, 128890), (185, 103112), (296, 64445), (370, 51556), (740, 25778), (1480, 12889)]