19819926

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 54812160

約数和(自身を除く): 34992234

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 34, 38, 42, 51, 57, 63, 102, 114, 119, 126, 133, 153, 171, 238, 266, 306, 323, 342, 357, 399, 487, 646, 714, 798, 969, 974, 1071, 1197, 1461, 1938, 2142, 2261, 2394, 2907, 2922, 3409, 4383, 4522, 5814, 6783, 6818, 8279, 8766, 9253, 10227, 13566, 16558, 18506, 20349, 20454, 24837, 27759, 30681, 40698, 49674, 55518, 57953, 61362, 64771, 74511, 83277, 115906, 129542, 149022, 157301, 166554, 173859, 194313, 314602, 347718, 388626, 471903, 521577, 582939, 943806, 1043154, 1101107, 1165878, 1415709, 2202214, 2831418, 3303321, 6606642, 9909963, 19819926]

約数ペア:

[(1, 19819926), (2, 9909963), (3, 6606642), (6, 3303321), (7, 2831418), (9, 2202214), (14, 1415709), (17, 1165878), (18, 1101107), (19, 1043154), (21, 943806), (34, 582939), (38, 521577), (42, 471903), (51, 388626), (57, 347718), (63, 314602), (102, 194313), (114, 173859), (119, 166554), (126, 157301), (133, 149022), (153, 129542), (171, 115906), (238, 83277), (266, 74511), (306, 64771), (323, 61362), (342, 57953), (357, 55518), (399, 49674), (487, 40698), (646, 30681), (714, 27759), (798, 24837), (969, 20454), (974, 20349), (1071, 18506), (1197, 16558), (1461, 13566), (1938, 10227), (2142, 9253), (2261, 8766), (2394, 8279), (2907, 6818), (2922, 6783), (3409, 5814), (4383, 4522)]