19156750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 39124800

約数和(自身を除く): 19968050

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 95, 109, 125, 185, 190, 218, 250, 370, 475, 545, 703, 925, 950, 1090, 1406, 1850, 2071, 2375, 2725, 3515, 4033, 4142, 4625, 4750, 5450, 7030, 8066, 9250, 10355, 13625, 17575, 20165, 20710, 27250, 35150, 40330, 51775, 76627, 87875, 100825, 103550, 153254, 175750, 201650, 258875, 383135, 504125, 517750, 766270, 1008250, 1915675, 3831350, 9578375, 19156750]

約数ペア:

[(1, 19156750), (2, 9578375), (5, 3831350), (10, 1915675), (19, 1008250), (25, 766270), (37, 517750), (38, 504125), (50, 383135), (74, 258875), (95, 201650), (109, 175750), (125, 153254), (185, 103550), (190, 100825), (218, 87875), (250, 76627), (370, 51775), (475, 40330), (545, 35150), (703, 27250), (925, 20710), (950, 20165), (1090, 17575), (1406, 13625), (1850, 10355), (2071, 9250), (2375, 8066), (2725, 7030), (3515, 5450), (4033, 4750), (4142, 4625)]