19106997

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15729483

約数列:

[1, 3, 7, 13, 17, 21, 23, 39, 51, 69, 91, 119, 161, 179, 221, 273, 299, 357, 391, 483, 537, 663, 897, 1173, 1253, 1547, 2093, 2327, 2737, 3043, 3759, 4117, 4641, 5083, 6279, 6981, 8211, 9129, 12351, 15249, 16289, 21301, 28819, 35581, 39559, 48867, 53521, 63903, 69989, 86457, 106743, 118677, 160563, 209967, 276913, 374647, 489923, 830739, 909857, 1123941, 1469769, 2729571, 6368999, 19106997]

約数ペア:

[(1, 19106997), (3, 6368999), (7, 2729571), (13, 1469769), (17, 1123941), (21, 909857), (23, 830739), (39, 489923), (51, 374647), (69, 276913), (91, 209967), (119, 160563), (161, 118677), (179, 106743), (221, 86457), (273, 69989), (299, 63903), (357, 53521), (391, 48867), (483, 39559), (537, 35581), (663, 28819), (897, 21301), (1173, 16289), (1253, 15249), (1547, 12351), (2093, 9129), (2327, 8211), (2737, 6981), (3043, 6279), (3759, 5083), (4117, 4641)]