19560050

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 38096520

約数和(自身を除く): 18536470

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 97, 109, 185, 194, 218, 370, 485, 545, 925, 970, 1090, 1850, 2425, 2725, 3589, 4033, 4850, 5450, 7178, 8066, 10573, 17945, 20165, 21146, 35890, 40330, 52865, 89725, 100825, 105730, 179450, 201650, 264325, 391201, 528650, 782402, 1956005, 3912010, 9780025, 19560050]

約数ペア:

[(1, 19560050), (2, 9780025), (5, 3912010), (10, 1956005), (25, 782402), (37, 528650), (50, 391201), (74, 264325), (97, 201650), (109, 179450), (185, 105730), (194, 100825), (218, 89725), (370, 52865), (485, 40330), (545, 35890), (925, 21146), (970, 20165), (1090, 17945), (1850, 10573), (2425, 8066), (2725, 7178), (3589, 5450), (4033, 4850)]