19872252

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1755

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 36147348

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1709, 1938, 2907, 3418, 3876, 5127, 5814, 6836, 10254, 11628, 15381, 20508, 29053, 30762, 32471, 58106, 61524, 64942, 87159, 97413, 116212, 129884, 174318, 194826, 261477, 292239, 348636, 389652, 522954, 552007, 584478, 1045908, 1104014, 1168956, 1656021, 2208028, 3312042, 4968063, 6624084, 9936126, 19872252]

約数ペア:

[(1, 19872252), (2, 9936126), (3, 6624084), (4, 4968063), (6, 3312042), (9, 2208028), (12, 1656021), (17, 1168956), (18, 1104014), (19, 1045908), (34, 584478), (36, 552007), (38, 522954), (51, 389652), (57, 348636), (68, 292239), (76, 261477), (102, 194826), (114, 174318), (153, 129884), (171, 116212), (204, 97413), (228, 87159), (306, 64942), (323, 61524), (342, 58106), (612, 32471), (646, 30762), (684, 29053), (969, 20508), (1292, 15381), (1709, 11628), (1938, 10254), (2907, 6836), (3418, 5814), (3876, 5127)]