18771950

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 36612240

約数和(自身を除く): 17840290

約数列:

[1, 2, 5, 10, 25, 37, 50, 73, 74, 139, 146, 185, 278, 365, 370, 695, 730, 925, 1390, 1825, 1850, 2701, 3475, 3650, 5143, 5402, 6950, 10147, 10286, 13505, 20294, 25715, 27010, 50735, 51430, 67525, 101470, 128575, 135050, 253675, 257150, 375439, 507350, 750878, 1877195, 3754390, 9385975, 18771950]

約数ペア:

[(1, 18771950), (2, 9385975), (5, 3754390), (10, 1877195), (25, 750878), (37, 507350), (50, 375439), (73, 257150), (74, 253675), (139, 135050), (146, 128575), (185, 101470), (278, 67525), (365, 51430), (370, 50735), (695, 27010), (730, 25715), (925, 20294), (1390, 13505), (1825, 10286), (1850, 10147), (2701, 6950), (3475, 5402), (3650, 5143)]