19521816

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 53068800

約数和(自身を除く): 33546984

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1381, 1767, 2356, 2762, 3534, 4143, 4712, 5524, 7068, 8286, 11048, 14136, 16572, 26239, 33144, 42811, 52478, 78717, 85622, 104956, 128433, 157434, 171244, 209912, 256866, 314868, 342488, 513732, 629736, 813409, 1027464, 1626818, 2440227, 3253636, 4880454, 6507272, 9760908, 19521816]

約数ペア:

[(1, 19521816), (2, 9760908), (3, 6507272), (4, 4880454), (6, 3253636), (8, 2440227), (12, 1626818), (19, 1027464), (24, 813409), (31, 629736), (38, 513732), (57, 342488), (62, 314868), (76, 256866), (93, 209912), (114, 171244), (124, 157434), (152, 128433), (186, 104956), (228, 85622), (248, 78717), (372, 52478), (456, 42811), (589, 33144), (744, 26239), (1178, 16572), (1381, 14136), (1767, 11048), (2356, 8286), (2762, 7068), (3534, 5524), (4143, 4712)]