12019450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 23536440

約数和(自身を除く): 11516990

約数列:

[1, 2, 5, 10, 25, 37, 50, 73, 74, 89, 146, 178, 185, 365, 370, 445, 730, 890, 925, 1825, 1850, 2225, 2701, 3293, 3650, 4450, 5402, 6497, 6586, 12994, 13505, 16465, 27010, 32485, 32930, 64970, 67525, 82325, 135050, 162425, 164650, 240389, 324850, 480778, 1201945, 2403890, 6009725, 12019450]

約数ペア:

[(1, 12019450), (2, 6009725), (5, 2403890), (10, 1201945), (25, 480778), (37, 324850), (50, 240389), (73, 164650), (74, 162425), (89, 135050), (146, 82325), (178, 67525), (185, 64970), (365, 32930), (370, 32485), (445, 27010), (730, 16465), (890, 13505), (925, 12994), (1825, 6586), (1850, 6497), (2225, 5402), (2701, 4450), (3293, 3650)]