18805250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 38413440

約数和(自身を除く): 19608190

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 95, 107, 125, 185, 190, 214, 250, 370, 475, 535, 703, 925, 950, 1070, 1406, 1850, 2033, 2375, 2675, 3515, 3959, 4066, 4625, 4750, 5350, 7030, 7918, 9250, 10165, 13375, 17575, 19795, 20330, 26750, 35150, 39590, 50825, 75221, 87875, 98975, 101650, 150442, 175750, 197950, 254125, 376105, 494875, 508250, 752210, 989750, 1880525, 3761050, 9402625, 18805250]

約数ペア:

[(1, 18805250), (2, 9402625), (5, 3761050), (10, 1880525), (19, 989750), (25, 752210), (37, 508250), (38, 494875), (50, 376105), (74, 254125), (95, 197950), (107, 175750), (125, 150442), (185, 101650), (190, 98975), (214, 87875), (250, 75221), (370, 50825), (475, 39590), (535, 35150), (703, 26750), (925, 20330), (950, 19795), (1070, 17575), (1406, 13375), (1850, 10165), (2033, 9250), (2375, 7918), (2675, 7030), (3515, 5350), (3959, 4750), (4066, 4625)]