19660830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 54286848

約数和(自身を除く): 34626018

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 251, 373, 502, 746, 753, 1119, 1255, 1506, 1757, 1865, 2238, 2510, 2611, 3514, 3730, 3765, 5222, 5271, 5595, 7530, 7833, 8785, 10542, 11190, 13055, 15666, 17570, 26110, 26355, 39165, 52710, 78330, 93623, 187246, 280869, 468115, 561738, 655361, 936230, 1310722, 1404345, 1966083, 2808690, 3276805, 3932166, 6553610, 9830415, 19660830]

約数ペア:

[(1, 19660830), (2, 9830415), (3, 6553610), (5, 3932166), (6, 3276805), (7, 2808690), (10, 1966083), (14, 1404345), (15, 1310722), (21, 936230), (30, 655361), (35, 561738), (42, 468115), (70, 280869), (105, 187246), (210, 93623), (251, 78330), (373, 52710), (502, 39165), (746, 26355), (753, 26110), (1119, 17570), (1255, 15666), (1506, 13055), (1757, 11190), (1865, 10542), (2238, 8785), (2510, 7833), (2611, 7530), (3514, 5595), (3730, 5271), (3765, 5222)]